84909234 has 16 divisors (see below), whose sum is σ = 172353888. Its totient is φ = 27880512.

The previous prime is 84909199. The next prime is 84909247. The reversal of 84909234 is 43290948.

It is a junction number, because it is equal to n+sod(n) for n = 84909192 and 84909201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105207 + ... + 106010.

It is an arithmetic number, because the mean of its divisors is an integer number (10772118).

Almost surely, 2^84909234 is an apocalyptic number.

84909234 is an abundant number, since it is smaller than the sum of its proper divisors (87444654).

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

84909234 is a wasteful number, since it uses less digits than its factorization.

84909234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211289.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 84909234 is about 9214.6206650084. The cubic root of 84909234 is about 439.5264084794.

The spelling of 84909234 in words is "eighty-four million, nine hundred nine thousand, two hundred thirty-four".