28038512 has 10 divisors (see below), whose sum is σ = 54324648. Its totient is φ = 14019248.

The previous prime is 28038499. The next prime is 28038533. The reversal of 28038512 is 21583082.

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, 876188 + ... + 876219.

Almost surely, 2^28038512 is an apocalyptic number.

It is an amenable number.

28038512 is a deficient number, since it is larger than the sum of its proper divisors (26286136).

28038512 is a wasteful number, since it uses less digits than its factorization.

28038512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752415 (or 1752409 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 28038512 is about 5295.1404136246. The cubic root of 28038512 is about 303.7980537815.

The spelling of 28038512 in words is "twenty-eight million, thirty-eight thousand, five hundred twelve".