84179942 has 72 divisors (see below), whose sum is σ = 167388480. Its totient is φ = 31600800.

The previous prime is 84179833. The next prime is 84179957. The reversal of 84179942 is 24997148.

It is a junction number, because it is equal to n+sod(n) for n = 84179893 and 84179902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 367484 + ... + 367712.

It is an arithmetic number, because the mean of its divisors is an integer number (2324840).

Almost surely, 2^84179942 is an apocalyptic number.

84179942 is a deficient number, since it is larger than the sum of its proper divisors (83208538).

84179942 is a wasteful number, since it uses less digits than its factorization.

84179942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 280 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 84179942 is about 9174.9627792161. The cubic root of 84179942 is about 438.2644129505.

The spelling of 84179942 in words is "eighty-four million, one hundred seventy-nine thousand, nine hundred forty-two".