28232956 has 6 divisors (see below), whose sum is σ = 49407680. Its totient is φ = 14116476.

The previous prime is 28232951. The next prime is 28232959. The reversal of 28232956 is 65923282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28232951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3529116 + ... + 3529123.

Almost surely, 2^28232956 is an apocalyptic number.

It is an amenable number.

28232956 is a deficient number, since it is larger than the sum of its proper divisors (21174724).

28232956 is a wasteful number, since it uses less digits than its factorization.

28232956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7058243 (or 7058241 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 28232956 is about 5313.4692998078. The cubic root of 28232956 is about 304.4987053295.

The spelling of 28232956 in words is "twenty-eight million, two hundred thirty-two thousand, nine hundred fifty-six".