905652872 has 8 divisors (see below), whose sum is σ = 1698099150. Its totient is φ = 452826432.

The previous prime is 905652871. The next prime is 905652949. The reversal of 905652872 is 278256509.

It can be written as a sum of positive squares in only one way, i.e., 800097796 + 105555076 = 28286^2 + 10274^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (905652871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56603297 + ... + 56603312.

Almost surely, 2^905652872 is an apocalyptic number.

It is an amenable number.

905652872 is a deficient number, since it is larger than the sum of its proper divisors (792446278).

905652872 is a wasteful number, since it uses less digits than its factorization.

905652872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113206615 (or 113206611 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 905652872 is about 30094.0670564814. The cubic root of 905652872 is about 967.5065701179.

The spelling of 905652872 in words is "nine hundred five million, six hundred fifty-two thousand, eight hundred seventy-two".