28454368 has 48 divisors (see below), whose sum is σ = 57788640. Its totient is φ = 13787136.

The previous prime is 28454359. The next prime is 28454383. The reversal of 28454368 is 86345482.

It is a self number, because there is not a number n which added to its sum of digits gives 28454368.

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, 276205 + ... + 276307.

It is an arithmetic number, because the mean of its divisors is an integer number (1203930).

Almost surely, 2^28454368 is an apocalyptic number.

It is an amenable number.

28454368 is an abundant number, since it is smaller than the sum of its proper divisors (29334272).

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

28454368 is a wasteful number, since it uses less digits than its factorization.

28454368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 291 counting only the distinct ones).

The product of its digits is 184320, while the sum is 40.

The square root of 28454368 is about 5334.2635855383. The cubic root of 28454368 is about 305.2926260807.

The spelling of 28454368 in words is "twenty-eight million, four hundred fifty-four thousand, three hundred sixty-eight".