84018474 has 48 divisors (see below), whose sum is σ = 188952192. Its totient is φ = 26961984.

The previous prime is 84018461. The next prime is 84018479. The reversal of 84018474 is 47481048.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84018479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55759 + ... + 57245.

It is an arithmetic number, because the mean of its divisors is an integer number (3936504).

Almost surely, 2^84018474 is an apocalyptic number.

84018474 is an abundant number, since it is smaller than the sum of its proper divisors (104933718).

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

84018474 is a wasteful number, since it uses less digits than its factorization.

84018474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1608 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 84018474 is about 9166.1591738307. The cubic root of 84018474 is about 437.9840176817.

The spelling of 84018474 in words is "eighty-four million, eighteen thousand, four hundred seventy-four".