83901399 has 8 divisors (see below), whose sum is σ = 111912192. Its totient is φ = 55912440.

The previous prime is 83901383. The next prime is 83901449. The reversal of 83901399 is 99310938.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83901399 - 2⁴ = 83901383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83901399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83921399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8932 + ... + 15734.

It is an arithmetic number, because the mean of its divisors is an integer number (13989024).

Almost surely, 2^83901399 is an apocalyptic number.

83901399 is a deficient number, since it is larger than the sum of its proper divisors (28010793).

83901399 is a wasteful number, since it uses less digits than its factorization.

83901399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10917.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 83901399 is about 9159.7706849025. The cubic root of 83901399 is about 437.7804877829.

The spelling of 83901399 in words is "eighty-three million, nine hundred one thousand, three hundred ninety-nine".