28796480 has 28 divisors (see below), whose sum is σ = 68572380. Its totient is φ = 11518464.

The previous prime is 28796461. The next prime is 28796513. The reversal of 28796480 is 8469782.

It can be written as a sum of positive squares in 2 ways, for example, as 7929856 + 20866624 = 2816^2 + 4568^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44675 + ... + 45314.

Almost surely, 2^28796480 is an apocalyptic number.

28796480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28796480 is an abundant number, since it is smaller than the sum of its proper divisors (39775900).

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

28796480 is an equidigital number, since it uses as much as digits as its factorization.

28796480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90006 (or 89996 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 28796480 is about 5366.2351793413. The cubic root of 28796480 is about 306.5112844431.

The spelling of 28796480 in words is "twenty-eight million, seven hundred ninety-six thousand, four hundred eighty".