620494926 has 32 divisors (see below), whose sum is σ = 1264222080. Its totient is φ = 202995936.

The previous prime is 620494909. The next prime is 620494937. The reversal of 620494926 is 629494026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65545 + ... + 74411.

It is an arithmetic number, because the mean of its divisors is an integer number (39506940).

Almost surely, 2^620494926 is an apocalyptic number.

620494926 is an abundant number, since it is smaller than the sum of its proper divisors (643727154).

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

620494926 is a wasteful number, since it uses less digits than its factorization.

620494926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9088.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 620494926 is about 24909.7355666414. The cubic root of 620494926 is about 852.9287327870.

The spelling of 620494926 in words is "six hundred twenty million, four hundred ninety-four thousand, nine hundred twenty-six".