9161256 has 32 divisors (see below), whose sum is σ = 24665760. Its totient is φ = 2818752.

The previous prime is 9161239. The next prime is 9161261. The reversal of 9161256 is 6521619.

It is a super-2 number, since 2×9161256² = 167857222995072, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14370 + ... + 14993.

It is an arithmetic number, because the mean of its divisors is an integer number (770805).

Almost surely, 2^9161256 is an apocalyptic number.

It is an amenable number.

9161256 is an abundant number, since it is smaller than the sum of its proper divisors (15504504).

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

9161256 is a wasteful number, since it uses less digits than its factorization.

9161256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29385 (or 29381 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The square root of 9161256 is about 3026.7566800125. The cubic root of 9161256 is about 209.2433541195.

The spelling of 9161256 in words is "nine million, one hundred sixty-one thousand, two hundred fifty-six".