83994416 has 80 divisors (see below), whose sum is σ = 191237760. Its totient is φ = 35312640.

The previous prime is 83994409. The next prime is 83994431. The reversal of 83994416 is 61449938.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200255 + ... + 200673.

It is an arithmetic number, because the mean of its divisors is an integer number (2390472).

Almost surely, 2^83994416 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 83994416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95618880).

83994416 is an abundant number, since it is smaller than the sum of its proper divisors (107243344).

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

83994416 is a wasteful number, since it uses less digits than its factorization.

83994416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 516 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 83994416 is about 9164.8467526740. The cubic root of 83994416 is about 437.9422093155.

It can be divided in two parts, 83 and 994416, that added together give a palindrome (994499).

The spelling of 83994416 in words is "eighty-three million, nine hundred ninety-four thousand, four hundred sixteen".