905705164 has 48 divisors (see below), whose sum is σ = 1953706048. Its totient is φ = 357758208.

The previous prime is 905705159. The next prime is 905705179. The reversal of 905705164 is 461507509.

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, 309034 + ... + 311950.

Almost surely, 2^905705164 is an apocalyptic number.

It is an amenable number.

905705164 is an abundant number, since it is smaller than the sum of its proper divisors (1048000884).

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

905705164 is a wasteful number, since it uses less digits than its factorization.

905705164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3794 (or 3792 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 905705164 is about 30094.9358530634. The cubic root of 905705164 is about 967.5251908946.

The spelling of 905705164 in words is "nine hundred five million, seven hundred five thousand, one hundred sixty-four".