84819942 has 24 divisors (see below), whose sum is σ = 183974544. Its totient is φ = 28242864.

The previous prime is 84819907. The next prime is 84819961. The reversal of 84819942 is 24991848.

It is a congruent 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, 20088 + ... + 23940.

It is an arithmetic number, because the mean of its divisors is an integer number (7665606).

Almost surely, 2^84819942 is an apocalyptic number.

84819942 is an abundant number, since it is smaller than the sum of its proper divisors (99154602).

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

84819942 is a wasteful number, since it uses less digits than its factorization.

84819942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084 (or 5081 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 84819942 is about 9209.7742643346. The cubic root of 84819942 is about 439.3722832817.

It can be divided in two parts, 848199 and 42, that added together give a square (848241 = 921²).

The spelling of 84819942 in words is "eighty-four million, eight hundred nineteen thousand, nine hundred forty-two".