83379340 has 24 divisors (see below), whose sum is σ = 191014992. Its totient is φ = 30319680.

The previous prime is 83379337. The next prime is 83379343. The reversal of 83379340 is 4397338.

It is an interprime number because it is at equal distance from previous prime (83379337) and next prime (83379343).

It is a super-2 number, since 2×83379340² = 13904228677671200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83379340.

It is not an unprimeable number, because it can be changed into a prime (83379343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189279 + ... + 189718.

It is an arithmetic number, because the mean of its divisors is an integer number (7958958).

Almost surely, 2^83379340 is an apocalyptic number.

It is an amenable number.

83379340 is an abundant number, since it is smaller than the sum of its proper divisors (107635652).

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

83379340 is a wasteful number, since it uses less digits than its factorization.

83379340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379017 (or 379015 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 83379340 is about 9131.2288329666. The cubic root of 83379340 is about 436.8705986309.

The spelling of 83379340 in words is "eighty-three million, three hundred seventy-nine thousand, three hundred forty".