28976760 has 48 divisors (see below), whose sum is σ = 94175640. Its totient is φ = 7727040.

The previous prime is 28976747. The next prime is 28976813. The reversal of 28976760 is 6767982.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 39886 + ... + 40605.

Almost surely, 2^28976760 is an apocalyptic number.

28976760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28976760 is an abundant number, since it is smaller than the sum of its proper divisors (65198880).

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

28976760 is a wasteful number, since it uses less digits than its factorization.

28976760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80508 (or 80501 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 28976760 is about 5383.0065948316. The cubic root of 28976760 is about 307.1495909312.

The spelling of 28976760 in words is "twenty-eight million, nine hundred seventy-six thousand, seven hundred sixty".