28755004 has 12 divisors (see below), whose sum is σ = 50360464. Its totient is φ = 14366304.

The previous prime is 28754987. The next prime is 28755017. The reversal of 28755004 is 40055782.

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 in 3 ways as a sum of consecutive naturals, for example, 6169 + ... + 9775.

Almost surely, 2^28755004 is an apocalyptic number.

It is an amenable number.

28755004 is a deficient number, since it is larger than the sum of its proper divisors (21605460).

28755004 is a wasteful number, since it uses less digits than its factorization.

28755004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5604 (or 5602 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 28755004 is about 5362.3692524853. The cubic root of 28755004 is about 306.3640561426.

The spelling of 28755004 in words is "twenty-eight million, seven hundred fifty-five thousand, four".