84001392 has 120 divisors (see below), whose sum is σ = 244063248. Its totient is φ = 26956800.

The previous prime is 84001387. The next prime is 84001399. The reversal of 84001392 is 29310048.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84001399) 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, 641167 + ... + 641297.

Almost surely, 2^84001392 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 84001392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122031624).

84001392 is an abundant number, since it is smaller than the sum of its proper divisors (160061856).

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

84001392 is a wasteful number, since it uses less digits than its factorization.

84001392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 84001392 is about 9165.2273294229. The cubic root of 84001392 is about 437.9543331384.

The spelling of 84001392 in words is "eighty-four million, one thousand, three hundred ninety-two".