116397321 has 4 divisors (see below), whose sum is σ = 155196432. Its totient is φ = 77598212.

The previous prime is 116397269. The next prime is 116397331. The reversal of 116397321 is 123793611.

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 116397321 - 2⁹ = 116396809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (116397331) 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 3 ways as a sum of consecutive naturals, for example, 19399551 + ... + 19399556.

It is an arithmetic number, because the mean of its divisors is an integer number (38799108).

Almost surely, 2^116397321 is an apocalyptic number.

It is an amenable number.

116397321 is a deficient number, since it is larger than the sum of its proper divisors (38799111).

116397321 is an equidigital number, since it uses as much as digits as its factorization.

116397321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38799110.

The product of its digits is 6804, while the sum is 33.

The square root of 116397321 is about 10788.7590111189. The cubic root of 116397321 is about 488.2560817226.

The spelling of 116397321 in words is "one hundred sixteen million, three hundred ninety-seven thousand, three hundred twenty-one".