28038316 has 12 divisors (see below), whose sum is σ = 49380688. Its totient is φ = 13929552.

The previous prime is 28038299. The next prime is 28038337. The reversal of 28038316 is 61383082.

It is a super-2 number, since 2×28038316² = 1572294328231712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21696 + ... + 22951.

Almost surely, 2^28038316 is an apocalyptic number.

It is an amenable number.

28038316 is a deficient number, since it is larger than the sum of its proper divisors (21342372).

28038316 is a wasteful number, since it uses less digits than its factorization.

28038316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44808 (or 44806 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 28038316 is about 5295.1219060566. The cubic root of 28038316 is about 303.7973458913.

The spelling of 28038316 in words is "twenty-eight million, thirty-eight thousand, three hundred sixteen".