905868930 has 32 divisors (see below), whose sum is σ = 2190691008. Its totient is φ = 239720000.

The previous prime is 905868881. The next prime is 905868941. The reversal of 905868930 is 39868509.

It is a self number, because there is not a number n which added to its sum of digits gives 905868930.

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, 111321 + ... + 119180.

It is an arithmetic number, because the mean of its divisors is an integer number (68459094).

Almost surely, 2^905868930 is an apocalyptic number.

905868930 is an abundant number, since it is smaller than the sum of its proper divisors (1284822078).

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

905868930 is a wasteful number, since it uses less digits than its factorization.

905868930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230642.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 905868930 is about 30097.6565532933. The cubic root of 905868930 is about 967.5835020639.

The spelling of 905868930 in words is "nine hundred five million, eight hundred sixty-eight thousand, nine hundred thirty".