28414588 has 6 divisors (see below), whose sum is σ = 49725536. Its totient is φ = 14207292.

The previous prime is 28414571. The next prime is 28414597. The reversal of 28414588 is 88541482.

It is a super-2 number, since 2×28414588² = 1614777622419488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28414588.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3551820 + ... + 3551827.

Almost surely, 2^28414588 is an apocalyptic number.

It is an amenable number.

28414588 is a deficient number, since it is larger than the sum of its proper divisors (21310948).

28414588 is a wasteful number, since it uses less digits than its factorization.

28414588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7103651 (or 7103649 counting only the distinct ones).

The product of its digits is 81920, while the sum is 40.

The square root of 28414588 is about 5330.5335567840. The cubic root of 28414588 is about 305.1502905286.

The spelling of 28414588 in words is "twenty-eight million, four hundred fourteen thousand, five hundred eighty-eight".