84434976 has 36 divisors (see below), whose sum is σ = 240112782. Its totient is φ = 28144896.

The previous prime is 84434957. The next prime is 84434981. The reversal of 84434976 is 67943448.

It can be written as a sum of positive squares in only one way, i.e., 79923600 + 4511376 = 8940^2 + 2124^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146301 + ... + 146876.

Almost surely, 2^84434976 is an apocalyptic number.

It is an amenable number.

84434976 is an abundant number, since it is smaller than the sum of its proper divisors (155677806).

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

84434976 is a wasteful number, since it uses less digits than its factorization.

84434976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293193 (or 293182 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 84434976 is about 9188.8506354168. The cubic root of 84434976 is about 438.7065596069.

The spelling of 84434976 in words is "eighty-four million, four hundred thirty-four thousand, nine hundred seventy-six".