6349620 has 48 divisors (see below), whose sum is σ = 17978688. Its totient is φ = 1674240.

The previous prime is 6349589. The next prime is 6349621. The reversal of 6349620 is 269436.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6349621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5275 + ... + 6365.

It is an arithmetic number, because the mean of its divisors is an integer number (374556).

Almost surely, 2^6349620 is an apocalyptic number.

6349620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6349620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8989344).

6349620 is an abundant number, since it is smaller than the sum of its proper divisors (11629068).

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

6349620 is a wasteful number, since it uses less digits than its factorization.

6349620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200 (or 1198 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 6349620 is about 2519.8452333427. The cubic root of 6349620 is about 185.1750959738.

The spelling of 6349620 in words is "six million, three hundred forty-nine thousand, six hundred twenty".