83319388 has 12 divisors (see below), whose sum is σ = 146279952. Its totient is φ = 41525120.

The previous prime is 83319373. The next prime is 83319403. The reversal of 83319388 is 88391338.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (83319373) and next prime (83319403).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32245 + ... + 34732.

It is an arithmetic number, because the mean of its divisors is an integer number (12189996).

Almost surely, 2^83319388 is an apocalyptic number.

It is an amenable number.

83319388 is a deficient number, since it is larger than the sum of its proper divisors (62960564).

83319388 is a wasteful number, since it uses less digits than its factorization.

83319388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67292 (or 67290 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 83319388 is about 9127.9454424312. The cubic root of 83319388 is about 436.7658662674.

The spelling of 83319388 in words is "eighty-three million, three hundred nineteen thousand, three hundred eighty-eight".