28453376 has 80 divisors (see below), whose sum is σ = 68942016. Its totient is φ = 11452416.

The previous prime is 28453363. The next prime is 28453391. The reversal of 28453376 is 67335482.

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, 60695 + ... + 61161.

Almost surely, 2^28453376 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 28453376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34471008).

28453376 is an abundant number, since it is smaller than the sum of its proper divisors (40488640).

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

28453376 is an equidigital number, since it uses as much as digits as its factorization.

28453376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 493 counting only the distinct ones).

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

The square root of 28453376 is about 5334.1706009463. The cubic root of 28453376 is about 305.2890782504.

The spelling of 28453376 in words is "twenty-eight million, four hundred fifty-three thousand, three hundred seventy-six".