83879394 has 16 divisors (see below), whose sum is σ = 177627168. Its totient is φ = 26315072.

The previous prime is 83879381. The next prime is 83879417. The reversal of 83879394 is 49397838.

It is a super-3 number, since 3×83879394³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411072 + ... + 411275.

It is an arithmetic number, because the mean of its divisors is an integer number (11101698).

Almost surely, 2^83879394 is an apocalyptic number.

83879394 is an abundant number, since it is smaller than the sum of its proper divisors (93747774).

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

83879394 is a wasteful number, since it uses less digits than its factorization.

83879394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822369.

The product of its digits is 1306368, while the sum is 51.

The square root of 83879394 is about 9158.5694297745. The cubic root of 83879394 is about 437.7422118938.

The spelling of 83879394 in words is "eighty-three million, eight hundred seventy-nine thousand, three hundred ninety-four".