28376332 has 18 divisors (see below), whose sum is σ = 52753652. Its totient is φ = 13353024.

The previous prime is 28376311. The next prime is 28376339. The reversal of 28376332 is 23367382.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (28376339) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 11118 + ... + 13429.

Almost surely, 2^28376332 is an apocalyptic number.

It is an amenable number.

28376332 is a deficient number, since it is larger than the sum of its proper divisors (24377320).

28376332 is a wasteful number, since it uses less digits than its factorization.

28376332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24585 (or 24566 counting only the distinct ones).

The product of its digits is 36288, while the sum is 34.

The square root of 28376332 is about 5326.9439644134. The cubic root of 28376332 is about 305.0132825891.

The spelling of 28376332 in words is "twenty-eight million, three hundred seventy-six thousand, three hundred thirty-two".