84661204 has 12 divisors (see below), whose sum is σ = 149152500. Its totient is φ = 42046208.

The previous prime is 84661201. The next prime is 84661231. The reversal of 84661204 is 40216648.

It can be written as a sum of positive squares in 2 ways, for example, as 2722500 + 81938704 = 1650^2 + 9052^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84661201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70429 + ... + 71620.

It is an arithmetic number, because the mean of its divisors is an integer number (12429375).

Almost surely, 2^84661204 is an apocalyptic number.

It is an amenable number.

84661204 is a deficient number, since it is larger than the sum of its proper divisors (64491296).

84661204 is a wasteful number, since it uses less digits than its factorization.

84661204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142202 (or 142200 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 84661204 is about 9201.1523191392. The cubic root of 84661204 is about 439.0980213972.

The spelling of 84661204 in words is "eighty-four million, six hundred sixty-one thousand, two hundred four".