84117946 has 32 divisors (see below), whose sum is σ = 147547008. Its totient is φ = 35576640.

The previous prime is 84117941. The next prime is 84117947. The reversal of 84117946 is 64971148.

It is a junction number, because it is equal to n+sod(n) for n = 84117899 and 84117908.

It is not an unprimeable number, because it can be changed into a prime (84117941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16476 + ... + 20968.

It is an arithmetic number, because the mean of its divisors is an integer number (4610844).

Almost surely, 2^84117946 is an apocalyptic number.

84117946 is a deficient number, since it is larger than the sum of its proper divisors (63429062).

84117946 is a wasteful number, since it uses less digits than its factorization.

84117946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4566.

The product of its digits is 48384, while the sum is 40.

The square root of 84117946 is about 9171.5836146219. The cubic root of 84117946 is about 438.1567970001.

The spelling of 84117946 in words is "eighty-four million, one hundred seventeen thousand, nine hundred forty-six".