84579494 has 8 divisors (see below), whose sum is σ = 126937200. Its totient is φ = 42267096.

The previous prime is 84579493. The next prime is 84579499. The reversal of 84579494 is 49497548.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84579491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6194 + ... + 14405.

It is an arithmetic number, because the mean of its divisors is an integer number (15867150).

Almost surely, 2^84579494 is an apocalyptic number.

84579494 is a deficient number, since it is larger than the sum of its proper divisors (42357706).

84579494 is a wasteful number, since it uses less digits than its factorization.

84579494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22654.

The product of its digits is 1451520, while the sum is 50.

The square root of 84579494 is about 9196.7110425412. The cubic root of 84579494 is about 438.9567120902.

The spelling of 84579494 in words is "eighty-four million, five hundred seventy-nine thousand, four hundred ninety-four".