28413700 has 36 divisors (see below), whose sum is σ = 70467712. Its totient is φ = 9741600.

The previous prime is 28413691. The next prime is 28413719. The reversal of 28413700 is 731482.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 19596 + ... + 20995.

Almost surely, 2^28413700 is an apocalyptic number.

28413700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28413700 is an abundant number, since it is smaller than the sum of its proper divisors (42054012).

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

28413700 is a wasteful number, since it uses less digits than its factorization.

28413700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40612 (or 40605 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 28413700 is about 5330.4502624075. The cubic root of 28413700 is about 305.1471116887.

The spelling of 28413700 in words is "twenty-eight million, four hundred thirteen thousand, seven hundred".