9102872 has 8 divisors (see below), whose sum is σ = 17067900. Its totient is φ = 4551432.

The previous prime is 9102829. The next prime is 9102883. The reversal of 9102872 is 2782019.

It is a happy number.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568922 + ... + 568937.

Almost surely, 2^9102872 is an apocalyptic number.

It is an amenable number.

9102872 is a deficient number, since it is larger than the sum of its proper divisors (7965028).

9102872 is a wasteful number, since it uses less digits than its factorization.

9102872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137865 (or 1137861 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 9102872 is about 3017.0966176110. The cubic root of 9102872 is about 208.7979090918.

The spelling of 9102872 in words is "nine million, one hundred two thousand, eight hundred seventy-two".