84346920 has 160 divisors (see below), whose sum is σ = 324086400. Its totient is φ = 19274112.

The previous prime is 84346891. The next prime is 84346921. The reversal of 84346920 is 2964348.

It is a happy number.

It is a super-2 number, since 2×84346920² = 14228805826972800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (84346921) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20821 + ... + 24539.

It is an arithmetic number, because the mean of its divisors is an integer number (2025540).

Almost surely, 2^84346920 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 84346920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162043200).

84346920 is an abundant number, since it is smaller than the sum of its proper divisors (239739480).

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

84346920 is a wasteful number, since it uses less digits than its factorization.

84346920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3749 (or 3736 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 84346920 is about 9184.0579266466. The cubic root of 84346920 is about 438.5539996782.

The spelling of 84346920 in words is "eighty-four million, three hundred forty-six thousand, nine hundred twenty".