28483288 has 8 divisors (see below), whose sum is σ = 53406180. Its totient is φ = 14241640.

The previous prime is 28483271. The next prime is 28483291. The reversal of 28483288 is 88238482.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×28483288² = 1622595390581888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1780198 + ... + 1780213.

Almost surely, 2^28483288 is an apocalyptic number.

It is an amenable number.

28483288 is a deficient number, since it is larger than the sum of its proper divisors (24922892).

28483288 is a wasteful number, since it uses less digits than its factorization.

28483288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560417 (or 3560413 counting only the distinct ones).

The product of its digits is 196608, while the sum is 43.

The square root of 28483288 is about 5336.9736742840. The cubic root of 28483288 is about 305.3960205549.

The spelling of 28483288 in words is "twenty-eight million, four hundred eighty-three thousand, two hundred eighty-eight".