913555420 has 12 divisors (see below), whose sum is σ = 1918466424. Its totient is φ = 365422160.

The previous prime is 913555381. The next prime is 913555421. The reversal of 913555420 is 24555319.

It is a super-2 number, since 2×913555420² = 1669167010822752800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913555421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22838866 + ... + 22838905.

It is an arithmetic number, because the mean of its divisors is an integer number (159872202).

Almost surely, 2^913555420 is an apocalyptic number.

It is an amenable number.

913555420 is an abundant number, since it is smaller than the sum of its proper divisors (1004911004).

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

913555420 is a wasteful number, since it uses less digits than its factorization.

913555420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45677780 (or 45677778 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 913555420 is about 30225.0793216494. The cubic root of 913555420 is about 970.3125148839.

The spelling of 913555420 in words is "nine hundred thirteen million, five hundred fifty-five thousand, four hundred twenty".