28372632 has 32 divisors (see below), whose sum is σ = 71366400. Its totient is φ = 9399584.

The previous prime is 28372627. The next prime is 28372651. The reversal of 28372632 is 23627382.

It is a junction number, because it is equal to n+sod(n) for n = 28372593 and 28372602.

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, 469 + ... + 7547.

It is an arithmetic number, because the mean of its divisors is an integer number (2230200).

Almost surely, 2^28372632 is an apocalyptic number.

It is an amenable number.

28372632 is an abundant number, since it is smaller than the sum of its proper divisors (42993768).

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

28372632 is a wasteful number, since it uses less digits than its factorization.

28372632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7255 (or 7251 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 28372632 is about 5326.5966620348. The cubic root of 28372632 is about 305.0000250829. Note that the first 4 decimals are identical.

The spelling of 28372632 in words is "twenty-eight million, three hundred seventy-two thousand, six hundred thirty-two".