28361748 has 24 divisors (see below), whose sum is σ = 66280480. Its totient is φ = 9439200.

The previous prime is 28361717. The next prime is 28361819. The reversal of 28361748 is 84716382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8523 + ... + 11373.

Almost surely, 2^28361748 is an apocalyptic number.

It is an amenable number.

28361748 is an abundant number, since it is smaller than the sum of its proper divisors (37918732).

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

28361748 is a wasteful number, since it uses less digits than its factorization.

28361748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687 (or 3685 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 28361748 is about 5325.5748985438. The cubic root of 28361748 is about 304.9610198325.

The spelling of 28361748 in words is "twenty-eight million, three hundred sixty-one thousand, seven hundred forty-eight".