84251900 has 18 divisors (see below), whose sum is σ = 182826840. Its totient is φ = 33700720.

The previous prime is 84251887. The next prime is 84251953. The reversal of 84251900 is 915248.

It is a super-2 number, since 2×84251900² = 14196765307220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 421160 + ... + 421359.

Almost surely, 2^84251900 is an apocalyptic number.

It is an amenable number.

84251900 is an abundant number, since it is smaller than the sum of its proper divisors (98574940).

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

84251900 is a wasteful number, since it uses less digits than its factorization.

84251900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842533 (or 842526 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 84251900 is about 9178.8833743544. The cubic root of 84251900 is about 438.3892552355.

The spelling of 84251900 in words is "eighty-four million, two hundred fifty-one thousand, nine hundred".