28491482 has 16 divisors (see below), whose sum is σ = 43696800. Its totient is φ = 13929168.

The previous prime is 28491409. The next prime is 28491521. The reversal of 28491482 is 28419482.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19253 + ... + 20679.

It is an arithmetic number, because the mean of its divisors is an integer number (2731050).

Almost surely, 2^28491482 is an apocalyptic number.

28491482 is a deficient number, since it is larger than the sum of its proper divisors (15205318).

28491482 is a wasteful number, since it uses less digits than its factorization.

28491482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645.

The product of its digits is 36864, while the sum is 38.

The square root of 28491482 is about 5337.7412826026. The cubic root of 28491482 is about 305.4253029311.

The spelling of 28491482 in words is "twenty-eight million, four hundred ninety-one thousand, four hundred eighty-two".