28602972 has 36 divisors (see below), whose sum is σ = 73056256. Its totient is φ = 9434880.

The previous prime is 28602967. The next prime is 28602979. The reversal of 28602972 is 27920682.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28602979) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 604 + ... + 7587.

Almost surely, 2^28602972 is an apocalyptic number.

It is an amenable number.

28602972 is an abundant number, since it is smaller than the sum of its proper divisors (44453284).

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

28602972 is a wasteful number, since it uses less digits than its factorization.

28602972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8298 (or 8293 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 28602972 is about 5348.1746418755. The cubic root of 28602972 is about 305.8231709351.

It can be divided in two parts, 2860 and 2972, that added together give a cube (5832 = 18³).

The spelling of 28602972 in words is "twenty-eight million, six hundred two thousand, nine hundred seventy-two".