934561920 has 128 divisors (see below), whose sum is σ = 2987490240. Its totient is φ = 248500224.

The previous prime is 934561891. The next prime is 934561931. The reversal of 934561920 is 29165439.

It is a tau number, because it is divible by the number of its divisors (128).

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, 1234182 + ... + 1234938.

Almost surely, 2^934561920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 934561920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1493745120).

934561920 is an abundant number, since it is smaller than the sum of its proper divisors (2052928320).

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

934561920 is a wasteful number, since it uses less digits than its factorization.

934561920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422 (or 1410 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 934561920 is about 30570.6054895875. The cubic root of 934561920 is about 977.6934230870.

The spelling of 934561920 in words is "nine hundred thirty-four million, five hundred sixty-one thousand, nine hundred twenty".