28462900 has 36 divisors (see below), whose sum is σ = 62009920. Its totient is φ = 11340000.

The previous prime is 28462883. The next prime is 28462901. The reversal of 28462900 is 926482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28462901) 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, 37525 + ... + 38275.

Almost surely, 2^28462900 is an apocalyptic number.

28462900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28462900 is an abundant number, since it is smaller than the sum of its proper divisors (33547020).

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

28462900 is a wasteful number, since it uses less digits than its factorization.

28462900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 28462900 is about 5335.0632611057. The cubic root of 28462900 is about 305.3231368783.

The spelling of 28462900 in words is "twenty-eight million, four hundred sixty-two thousand, nine hundred".