920734408 has 16 divisors (see below), whose sum is σ = 1883320560. Its totient is φ = 418515600.

The previous prime is 920734387. The next prime is 920734421. The reversal of 920734408 is 804437029.

It is a happy number.

It is a super-2 number, since 2×920734408² = 1695503700150220928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5231358 + ... + 5231533.

It is an arithmetic number, because the mean of its divisors is an integer number (117707535).

Almost surely, 2^920734408 is an apocalyptic number.

It is an amenable number.

920734408 is an abundant number, since it is smaller than the sum of its proper divisors (962586152).

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

920734408 is a wasteful number, since it uses less digits than its factorization.

920734408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10462908 (or 10462904 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 920734408 is about 30343.6057185035. The cubic root of 920734408 is about 972.8475534062.

The spelling of 920734408 in words is "nine hundred twenty million, seven hundred thirty-four thousand, four hundred eight".