28923600 has 60 divisors (see below), whose sum is σ = 92655776. Its totient is φ = 7712640.

The previous prime is 28923599. The next prime is 28923607. The reversal of 28923600 is 632982.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28923607) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 10852 + ... + 13251.

Almost surely, 2^28923600 is an apocalyptic number.

28923600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28923600 is an abundant number, since it is smaller than the sum of its proper divisors (63732176).

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

28923600 is a wasteful number, since it uses less digits than its factorization.

28923600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24124 (or 24113 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 28923600 is about 5378.0665670852. The cubic root of 28923600 is about 306.9616464375.

The spelling of 28923600 in words is "twenty-eight million, nine hundred twenty-three thousand, six hundred".