28214804 has 12 divisors (see below), whose sum is σ = 49473984. Its totient is φ = 14079384.

The previous prime is 28214801. The next prime is 28214821. The reversal of 28214804 is 40841282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28214801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4652 + ... + 8835.

It is an arithmetic number, because the mean of its divisors is an integer number (4122832).

Almost surely, 2^28214804 is an apocalyptic number.

It is an amenable number.

28214804 is a deficient number, since it is larger than the sum of its proper divisors (21259180).

28214804 is a wasteful number, since it uses less digits than its factorization.

28214804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14014 (or 14012 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 28214804 is about 5311.7609132942. The cubic root of 28214804 is about 304.4334335541.

The spelling of 28214804 in words is "twenty-eight million, two hundred fourteen thousand, eight hundred four".