28629232 has 20 divisors (see below), whose sum is σ = 55573576. Its totient is φ = 14287680.

The previous prime is 28629217. The next prime is 28629277. The reversal of 28629232 is 23292682.

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 3 ways as a sum of consecutive naturals, for example, 9223 + ... + 11929.

Almost surely, 2^28629232 is an apocalyptic number.

It is an amenable number.

28629232 is a deficient number, since it is larger than the sum of its proper divisors (26944344).

28629232 is a wasteful number, since it uses less digits than its factorization.

28629232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376 (or 3370 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 28629232 is about 5350.6291218884. The cubic root of 28629232 is about 305.9167330077.

The spelling of 28629232 in words is "twenty-eight million, six hundred twenty-nine thousand, two hundred thirty-two".