28146804 has 24 divisors (see below), whose sum is σ = 75058368. Its totient is φ = 8041920.

The previous prime is 28146799. The next prime is 28146817. The reversal of 28146804 is 40864182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167457 + ... + 167624.

It is an arithmetic number, because the mean of its divisors is an integer number (3127432).

Almost surely, 2^28146804 is an apocalyptic number.

It is an amenable number.

28146804 is an abundant number, since it is smaller than the sum of its proper divisors (46911564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28146804 is a wasteful number, since it uses less digits than its factorization.

28146804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335095 (or 335093 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 28146804 is about 5305.3561614655. The cubic root of 28146804 is about 304.1886669352.

The spelling of 28146804 in words is "twenty-eight million, one hundred forty-six thousand, eight hundred four".