28337472 has 168 divisors, whose sum is σ = 89895680. Its totient is φ = 8743680.

The previous prime is 28337431. The next prime is 28337497. The reversal of 28337472 is 27473382.

28337472 is a `hidden beast` number, since 283 + 374 + 7 + 2 = 666.

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

Its product of digits (56448) is a multiple of the sum of its prime factors (98).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 914097 + ... + 914127.

Almost surely, 2^28337472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28337472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44947840).

28337472 is an abundant number, since it is smaller than the sum of its proper divisors (61558208).

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

28337472 is a wasteful number, since it uses less digits than its factorization.

28337472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 59 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 28337472 is about 5323.2952200681. The cubic root of 28337472 is about 304.8739853878.

The spelling of 28337472 in words is "twenty-eight million, three hundred thirty-seven thousand, four hundred seventy-two".