28059332 has 24 divisors (see below), whose sum is σ = 56960064. Its totient is φ = 11845152.

The previous prime is 28059331. The next prime is 28059337. The reversal of 28059332 is 23395082.

It is a super-2 number, since 2×28059332² = 1574652224572448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28059331) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5603 + ... + 9354.

It is an arithmetic number, because the mean of its divisors is an integer number (2373336).

Almost surely, 2^28059332 is an apocalyptic number.

It is an amenable number.

28059332 is an abundant number, since it is smaller than the sum of its proper divisors (28900732).

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

28059332 is a wasteful number, since it uses less digits than its factorization.

28059332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15035 (or 15033 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 28059332 is about 5297.1060023375. The cubic root of 28059332 is about 303.8732302692.

The spelling of 28059332 in words is "twenty-eight million, fifty-nine thousand, three hundred thirty-two".