28646982 has 48 divisors (see below), whose sum is σ = 76396320. Its totient is φ = 7554816.

The previous prime is 28646971. The next prime is 28646993. The reversal of 28646982 is 28964682.

It is an interprime number because it is at equal distance from previous prime (28646971) and next prime (28646993).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 23 ways as a sum of consecutive naturals, for example, 7107 + ... + 10382.

It is an arithmetic number, because the mean of its divisors is an integer number (1591590).

Almost surely, 2^28646982 is an apocalyptic number.

28646982 is an abundant number, since it is smaller than the sum of its proper divisors (47749338).

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

28646982 is a wasteful number, since it uses less digits than its factorization.

28646982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17517 (or 17514 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 28646982 is about 5352.2875483292. The cubic root of 28646982 is about 305.9799422967.

The spelling of 28646982 in words is "twenty-eight million, six hundred forty-six thousand, nine hundred eighty-two".