28794004 has 12 divisors (see below), whose sum is σ = 51561664. Its totient is φ = 14062104.

The previous prime is 28793993. The next prime is 28794011. The reversal of 28794004 is 40049782.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 83532 + ... + 83875.

Almost surely, 2^28794004 is an apocalyptic number.

It is an amenable number.

28794004 is a deficient number, since it is larger than the sum of its proper divisors (22767660).

28794004 is a wasteful number, since it uses less digits than its factorization.

28794004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167454 (or 167452 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 28794004 is about 5366.0044726034. The cubic root of 28794004 is about 306.5024992988.

It can be divided in two parts, 2879400 and 4, that multiplied together give a triangular number (11517600 = T₄₇₉₉).

The spelling of 28794004 in words is "twenty-eight million, seven hundred ninety-four thousand, four".