83990337 has 4 divisors (see below), whose sum is σ = 111987120. Its totient is φ = 55993556.

The previous prime is 83990327. The next prime is 83990339. The reversal of 83990337 is 73309938.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83990337 - 2⁴ = 83990321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83990339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13998387 + ... + 13998392.

It is an arithmetic number, because the mean of its divisors is an integer number (27996780).

Almost surely, 2^83990337 is an apocalyptic number.

It is an amenable number.

83990337 is a deficient number, since it is larger than the sum of its proper divisors (27996783).

83990337 is a wasteful number, since it uses less digits than its factorization.

83990337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27996782.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 83990337 is about 9164.6242148819. The cubic root of 83990337 is about 437.9351199744.

The spelling of 83990337 in words is "eighty-three million, nine hundred ninety thousand, three hundred thirty-seven".