28796488 has 32 divisors (see below), whose sum is σ = 62208000. Its totient is φ = 12241152.

The previous prime is 28796461. The next prime is 28796513. The reversal of 28796488 is 88469782.

It is a super-2 number, since 2×28796488² = 1658475442268288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5088 + ... + 9136.

It is an arithmetic number, because the mean of its divisors is an integer number (1944000).

Almost surely, 2^28796488 is an apocalyptic number.

28796488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28796488 is an abundant number, since it is smaller than the sum of its proper divisors (33411512).

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

28796488 is a wasteful number, since it uses less digits than its factorization.

28796488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189 (or 4185 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 52.

The square root of 28796488 is about 5366.2359247428. The cubic root of 28796488 is about 306.5113128272.

The spelling of 28796488 in words is "twenty-eight million, seven hundred ninety-six thousand, four hundred eighty-eight".