84706900 has 18 divisors (see below), whose sum is σ = 183814190. Its totient is φ = 33882720.

The previous prime is 84706873. The next prime is 84706901. The reversal of 84706900 is 960748.

It can be written as a sum of positive squares in 3 ways, for example, as 1860496 + 82846404 = 1364^2 + 9102^2 .

It is a super-2 number, since 2×84706900² = 14350517815220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84706901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 423435 + ... + 423634.

Almost surely, 2^84706900 is an apocalyptic number.

It is an amenable number.

84706900 is an abundant number, since it is smaller than the sum of its proper divisors (99107290).

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

84706900 is a wasteful number, since it uses less digits than its factorization.

84706900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847083 (or 847076 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 84706900 is about 9203.6351513953. The cubic root of 84706900 is about 439.1770084392.

The spelling of 84706900 in words is "eighty-four million, seven hundred six thousand, nine hundred".