28754400 has 72 divisors (see below), whose sum is σ = 93603384. Its totient is φ = 7667200.

The previous prime is 28754377. The next prime is 28754413. The reversal of 28754400 is 445782.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3591 + ... + 8390.

It is an arithmetic number, because the mean of its divisors is an integer number (1300047).

Almost surely, 2^28754400 is an apocalyptic number.

28754400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28754400 is an abundant number, since it is smaller than the sum of its proper divisors (64848984).

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

28754400 is a wasteful number, since it uses less digits than its factorization.

28754400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12004 (or 11991 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 28754400 is about 5362.3129338001. The cubic root of 28754400 is about 306.3619110645.

The spelling of 28754400 in words is "twenty-eight million, seven hundred fifty-four thousand, four hundred".