116439321 has 16 divisors (see below), whose sum is σ = 161524800. Its totient is φ = 74520768.

The previous prime is 116439311. The next prime is 116439331. The reversal of 116439321 is 123934611.

It is an interprime number because it is at equal distance from previous prime (116439311) and next prime (116439331).

It is not a de Polignac number, because 116439321 - 2⁹ = 116438809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (116439311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11835 + ... + 19311.

It is an arithmetic number, because the mean of its divisors is an integer number (10095300).

Almost surely, 2^116439321 is an apocalyptic number.

It is an amenable number.

116439321 is a deficient number, since it is larger than the sum of its proper divisors (45085479).

116439321 is a wasteful number, since it uses less digits than its factorization.

116439321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7688.

The product of its digits is 3888, while the sum is 30.

The square root of 116439321 is about 10790.7053059566. The cubic root of 116439321 is about 488.3148009704.

The spelling of 116439321 in words is "one hundred sixteen million, four hundred thirty-nine thousand, three hundred twenty-one".