28979032 has 8 divisors (see below), whose sum is σ = 54335700. Its totient is φ = 14489512.

The previous prime is 28978993. The next prime is 28979051. The reversal of 28979032 is 23097982.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1811182 + ... + 1811197.

Almost surely, 2^28979032 is an apocalyptic number.

It is an amenable number.

28979032 is a deficient number, since it is larger than the sum of its proper divisors (25356668).

28979032 is a wasteful number, since it uses less digits than its factorization.

28979032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622385 (or 3622381 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 28979032 is about 5383.2176251755. The cubic root of 28979032 is about 307.1576183485.

The spelling of 28979032 in words is "twenty-eight million, nine hundred seventy-nine thousand, thirty-two".