620346960 has 240 divisors, whose sum is σ = 2215661760. Its totient is φ = 155105280.

The previous prime is 620346953. The next prime is 620346971. The reversal of 620346960 is 69643026.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1873995 + ... + 1874325.

It is an arithmetic number, because the mean of its divisors is an integer number (9231924).

Almost surely, 2^620346960 is an apocalyptic number.

620346960 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 620346960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1107830880).

620346960 is an abundant number, since it is smaller than the sum of its proper divisors (1595314800).

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

620346960 is a wasteful number, since it uses less digits than its factorization.

620346960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 620346960 is about 24906.7653459858. The cubic root of 620346960 is about 852.8609296615.

Adding to 620346960 its reverse (69643026), we get a palindrome (689989986).

The spelling of 620346960 in words is "six hundred twenty million, three hundred forty-six thousand, nine hundred sixty".