84851340 has 240 divisors, whose sum is σ = 301163520. Its totient is φ = 17781120.

The previous prime is 84851339. The next prime is 84851387. The reversal of 84851340 is 4315848.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2737125 + ... + 2737155.

It is an arithmetic number, because the mean of its divisors is an integer number (1254848).

Almost surely, 2^84851340 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 84851340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150581760).

84851340 is an abundant number, since it is smaller than the sum of its proper divisors (216312180).

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

84851340 is a wasteful number, since it uses less digits than its factorization.

84851340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 84851340 is about 9211.4787086548. The cubic root of 84851340 is about 439.4264910884.

The spelling of 84851340 in words is "eighty-four million, eight hundred fifty-one thousand, three hundred forty".