28373456 has 20 divisors (see below), whose sum is σ = 55130400. Its totient is φ = 14146272.

The previous prime is 28373453. The next prime is 28373461. The reversal of 28373456 is 65437382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28373453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3725 + ... + 8403.

It is an arithmetic number, because the mean of its divisors is an integer number (2756520).

Almost surely, 2^28373456 is an apocalyptic number.

It is an amenable number.

28373456 is a deficient number, since it is larger than the sum of its proper divisors (26756944).

28373456 is a wasteful number, since it uses less digits than its factorization.

28373456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5066 (or 5060 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 28373456 is about 5326.6740091731. The cubic root of 28373456 is about 305.0029776651.

The spelling of 28373456 in words is "twenty-eight million, three hundred seventy-three thousand, four hundred fifty-six".