6346620 has 192 divisors, whose sum is σ = 23869440. Its totient is φ = 1368576.

The previous prime is 6346609. The next prime is 6346631. The reversal of 6346620 is 266436.

6346620 is a `hidden beast` number, since 6 + 34 + 6 + 620 = 666.

It is an interprime number because it is at equal distance from previous prime (6346609) and next prime (6346631).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86904 + ... + 86976.

It is an arithmetic number, because the mean of its divisors is an integer number (124320).

Almost surely, 2^6346620 is an apocalyptic number.

6346620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

6346620 is the 1260-th decagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6346620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11934720).

6346620 is an abundant number, since it is smaller than the sum of its proper divisors (17522820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6346620 is a wasteful number, since it uses less digits than its factorization.

6346620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 6346620 is about 2519.2498883596. The cubic root of 6346620 is about 185.1459282020.

Subtracting from 6346620 its product of nonzero digits (5184), we obtain a palindrome (6341436).

The spelling of 6346620 in words is "six million, three hundred forty-six thousand, six hundred twenty".