28514976 has 48 divisors (see below), whose sum is σ = 85546944. Its totient is φ = 8146944.

The previous prime is 28514957. The next prime is 28515013. The reversal of 28514976 is 67941582.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20545 + ... + 21888.

It is an arithmetic number, because the mean of its divisors is an integer number (1782228).

Almost surely, 2^28514976 is an apocalyptic number.

It is an amenable number.

28514976 is an abundant number, since it is smaller than the sum of its proper divisors (57031968).

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

28514976 is a wasteful number, since it uses less digits than its factorization.

28514976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42453 (or 42445 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 28514976 is about 5339.9415727141. The cubic root of 28514976 is about 305.5092308296.

The spelling of 28514976 in words is "twenty-eight million, five hundred fourteen thousand, nine hundred seventy-six".