84408670 has 16 divisors (see below), whose sum is σ = 152040240. Its totient is φ = 33740224.

The previous prime is 84408661. The next prime is 84408679. The reversal of 84408670 is 7680448.

It is an interprime number because it is at equal distance from previous prime (84408661) and next prime (84408679).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84408679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26946 + ... + 29914.

It is an arithmetic number, because the mean of its divisors is an integer number (9502515).

Almost surely, 2^84408670 is an apocalyptic number.

84408670 is a deficient number, since it is larger than the sum of its proper divisors (67631570).

84408670 is a wasteful number, since it uses less digits than its factorization.

84408670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5819.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 84408670 is about 9187.4191152902. The cubic root of 84408670 is about 438.6609947079.

It can be divided in two parts, 84408 and 670, that added together give a triangular number (85078 = T₄₁₂).

The spelling of 84408670 in words is "eighty-four million, four hundred eight thousand, six hundred seventy".