84243474 has 24 divisors (see below), whose sum is σ = 208603200. Its totient is φ = 24069528.

The previous prime is 84243469. The next prime is 84243491. The reversal of 84243474 is 47434248.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 334174 + ... + 334425.

It is an arithmetic number, because the mean of its divisors is an integer number (8691800).

Almost surely, 2^84243474 is an apocalyptic number.

84243474 is an abundant number, since it is smaller than the sum of its proper divisors (124359726).

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

84243474 is a wasteful number, since it uses less digits than its factorization.

84243474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668614 (or 668611 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 84243474 is about 9178.4243745863. The cubic root of 84243474 is about 438.3746403682.

The spelling of 84243474 in words is "eighty-four million, two hundred forty-three thousand, four hundred seventy-four".