28889674 has 16 divisors (see below), whose sum is σ = 48553056. Its totient is φ = 12776400.

The previous prime is 28889639. The next prime is 28889683. The reversal of 28889674 is 47698882.

It is a super-2 number, since 2×28889674² = 1669226527652552, which contains 22 as substring.

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, 16932 + ... + 18559.

It is an arithmetic number, because the mean of its divisors is an integer number (3034566).

Almost surely, 2^28889674 is an apocalyptic number.

28889674 is a deficient number, since it is larger than the sum of its proper divisors (19663382).

28889674 is a wasteful number, since it uses less digits than its factorization.

28889674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35541.

The product of its digits is 1548288, while the sum is 52.

The square root of 28889674 is about 5374.9115341557. The cubic root of 28889674 is about 306.8415823702.

The spelling of 28889674 in words is "twenty-eight million, eight hundred eighty-nine thousand, six hundred seventy-four".