28600432 has 20 divisors (see below), whose sum is σ = 63329776. Its totient is φ = 12257280.

The previous prime is 28600423. The next prime is 28600459. The reversal of 28600432 is 23400682.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28600397 and 28600406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127569 + ... + 127792.

Almost surely, 2^28600432 is an apocalyptic number.

It is an amenable number.

28600432 is an abundant number, since it is smaller than the sum of its proper divisors (34729344).

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

28600432 is a wasteful number, since it uses less digits than its factorization.

28600432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255376 (or 255370 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 28600432 is about 5347.9371724058. The cubic root of 28600432 is about 305.8141181013.

The spelling of 28600432 in words is "twenty-eight million, six hundred thousand, four hundred thirty-two".