28626432 has 40 divisors (see below), whose sum is σ = 76266696. Its totient is φ = 9541632.

The previous prime is 28626427. The next prime is 28626443. The reversal of 28626432 is 23462682.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 28626393 and 28626402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7783 + ... + 10854.

Almost surely, 2^28626432 is an apocalyptic number.

It is an amenable number.

28626432 is an abundant number, since it is smaller than the sum of its proper divisors (47640264).

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

28626432 is an equidigital number, since it uses as much as digits as its factorization.

28626432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18658 (or 18642 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 28626432 is about 5350.3674640159. The cubic root of 28626432 is about 305.9067595794.

The spelling of 28626432 in words is "twenty-eight million, six hundred twenty-six thousand, four hundred thirty-two".