28629832 has 32 divisors (see below), whose sum is σ = 66928320. Its totient is φ = 11154240.

The previous prime is 28629829. The next prime is 28629859. The reversal of 28629832 is 23892682.

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, 22623 + ... + 23854.

It is an arithmetic number, because the mean of its divisors is an integer number (2091510).

Almost surely, 2^28629832 is an apocalyptic number.

28629832 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28629832 is an abundant number, since it is smaller than the sum of its proper divisors (38298488).

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

28629832 is a wasteful number, since it uses less digits than its factorization.

28629832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46501 (or 46497 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 28629832 is about 5350.6851897678. The cubic root of 28629832 is about 305.9188700863.

The spelling of 28629832 in words is "twenty-eight million, six hundred twenty-nine thousand, eight hundred thirty-two".