28797456 has 40 divisors (see below), whose sum is σ = 78771744. Its totient is φ = 9034240.

The previous prime is 28797443. The next prime is 28797479. The reversal of 28797456 is 65479782.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 16830 + ... + 18461.

Almost surely, 2^28797456 is an apocalyptic number.

It is an amenable number.

28797456 is an abundant number, since it is smaller than the sum of its proper divisors (49974288).

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

28797456 is a wasteful number, since it uses less digits than its factorization.

28797456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35319 (or 35313 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 28797456 is about 5366.3261175594. The cubic root of 28797456 is about 306.5147472695.

The spelling of 28797456 in words is "twenty-eight million, seven hundred ninety-seven thousand, four hundred fifty-six".