28546232 has 32 divisors (see below), whose sum is σ = 62884080. Its totient is φ = 11976960.

The previous prime is 28546229. The next prime is 28546253. The reversal of 28546232 is 23264582.

It is a super-2 number, since 2×28546232² = 1629774722795648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11333 + ... + 13620.

Almost surely, 2^28546232 is an apocalyptic number.

28546232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28546232 is an abundant number, since it is smaller than the sum of its proper divisors (34337848).

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

28546232 is a wasteful number, since it uses less digits than its factorization.

28546232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24983 (or 24979 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 28546232 is about 5342.8673949481. The cubic root of 28546232 is about 305.6208155828.

The spelling of 28546232 in words is "twenty-eight million, five hundred forty-six thousand, two hundred thirty-two".