28951874 has 16 divisors (see below), whose sum is σ = 49797888. Its totient is φ = 12366432.

The previous prime is 28951849. The next prime is 28951903. The reversal of 28951874 is 47815982.

It is a super-3 number, since 3×28951874³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 1079 + ... + 7685.

It is an arithmetic number, because the mean of its divisors is an integer number (3112368).

Almost surely, 2^28951874 is an apocalyptic number.

28951874 is a deficient number, since it is larger than the sum of its proper divisors (20846014).

28951874 is a wasteful number, since it uses less digits than its factorization.

28951874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6929.

The product of its digits is 161280, while the sum is 44.

The square root of 28951874 is about 5380.6945648308. The cubic root of 28951874 is about 307.0616363776.

The spelling of 28951874 in words is "twenty-eight million, nine hundred fifty-one thousand, eight hundred seventy-four".