28982446 has 8 divisors (see below), whose sum is σ = 43872840. Its totient is φ = 14358168.

The previous prime is 28982431. The next prime is 28982453. The reversal of 28982446 is 64428982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28982446² = 1679964352285832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66256 + ... + 66691.

It is an arithmetic number, because the mean of its divisors is an integer number (5484105).

Almost surely, 2^28982446 is an apocalyptic number.

28982446 is a deficient number, since it is larger than the sum of its proper divisors (14890394).

28982446 is a wasteful number, since it uses less digits than its factorization.

28982446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133058.

The product of its digits is 221184, while the sum is 43.

The square root of 28982446 is about 5383.5347124357. The cubic root of 28982446 is about 307.1696798847.

The spelling of 28982446 in words is "twenty-eight million, nine hundred eighty-two thousand, four hundred forty-six".