84255400 has 48 divisors (see below), whose sum is σ = 207425340. Its totient is φ = 31718400.

The previous prime is 84255397. The next prime is 84255403. The reversal of 84255400 is 455248.

It is an interprime number because it is at equal distance from previous prime (84255397) and next prime (84255403).

It can be written as a sum of positive squares in 6 ways, for example, as 36893476 + 47361924 = 6074^2 + 6882^2 .

It is not an unprimeable number, because it can be changed into a prime (84255403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8991 + ... + 15790.

Almost surely, 2^84255400 is an apocalyptic number.

It is an amenable number.

84255400 is an abundant number, since it is smaller than the sum of its proper divisors (123169940).

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

84255400 is a wasteful number, since it uses less digits than its factorization.

84255400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24814 (or 24805 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 84255400 is about 9179.0740273733. The cubic root of 84255400 is about 438.3953256867.

The spelling of 84255400 in words is "eighty-four million, two hundred fifty-five thousand, four hundred".