28901376 has 153 divisors (see below), whose sum is σ = 97123611. Its totient is φ = 8257536.

The previous prime is 28901311. The next prime is 28901387. The reversal of 28901376 is 67310982.

The square root of 28901376 is 5376.

It is a perfect power (a square), and thus also a powerful number.

28901376 is a `hidden beast` number, since 289 + 0 + 1 + 376 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28901376.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4128765 + ... + 4128771.

Almost surely, 2^28901376 is an apocalyptic number.

28901376 is the 5376-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28901376

28901376 is an abundant number, since it is smaller than the sum of its proper divisors (68222235).

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

28901376 is an frugal number, since it uses more digits than its factorization.

28901376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52 (or 12 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The cubic root of 28901376 is about 306.8830063463.

Multiplying 28901376 by its sum of digits (36), we get a square (1040449536 = 32256²).

28901376 divided by its sum of digits (36) gives a square (802816 = 896²).

Multiplying 28901376 by its product of nonzero digits (18144), we get a cube (524386566144 = 8064³).

The spelling of 28901376 in words is "twenty-eight million, nine hundred one thousand, three hundred seventy-six".