28079458 has 32 divisors (see below), whose sum is σ = 48356352. Its totient is φ = 12104400.

The previous prime is 28079449. The next prime is 28079489. The reversal of 28079458 is 85497082.

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 15 ways as a sum of consecutive naturals, for example, 106635 + ... + 106897.

It is an arithmetic number, because the mean of its divisors is an integer number (1511136).

Almost surely, 2^28079458 is an apocalyptic number.

28079458 is a deficient number, since it is larger than the sum of its proper divisors (20276894).

28079458 is a wasteful number, since it uses less digits than its factorization.

28079458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 28079458 is about 5299.0053783705. The cubic root of 28079458 is about 303.9458655338.

The spelling of 28079458 in words is "twenty-eight million, seventy-nine thousand, four hundred fifty-eight".