84939192 has 96 divisors (see below), whose sum is σ = 256991280. Its totient is φ = 26127360.

The previous prime is 84939149. The next prime is 84939193. The reversal of 84939192 is 29193948.

It is a super-2 number, since 2×84939192² = 14429332675225728, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84939193) 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, 23592 + ... + 26952.

Almost surely, 2^84939192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84939192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128495640).

84939192 is an abundant number, since it is smaller than the sum of its proper divisors (172052088).

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

84939192 is a wasteful number, since it uses less digits than its factorization.

84939192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395 (or 3379 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 84939192 is about 9216.2460904644. The cubic root of 84939192 is about 439.5780941962.

The spelling of 84939192 in words is "eighty-four million, nine hundred thirty-nine thousand, one hundred ninety-two".