116439385 has 8 divisors (see below), whose sum is σ = 143135496. Its totient is φ = 90879360.

The previous prime is 116439377. The next prime is 116439397. The reversal of 116439385 is 583934611.

It can be written as a sum of positive squares in 4 ways, for example, as 4756761 + 111682624 = 2181^2 + 10568^2 .

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

It is not a de Polignac number, because 116439385 - 2³ = 116439377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283794 + ... + 284203.

It is an arithmetic number, because the mean of its divisors is an integer number (17891937).

Almost surely, 2^116439385 is an apocalyptic number.

It is an amenable number.

116439385 is a deficient number, since it is larger than the sum of its proper divisors (26696111).

116439385 is an equidigital number, since it uses as much as digits as its factorization.

116439385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568043.

The product of its digits is 77760, while the sum is 40.

The square root of 116439385 is about 10790.7082714713. The cubic root of 116439385 is about 488.3148904366.

The spelling of 116439385 in words is "one hundred sixteen million, four hundred thirty-nine thousand, three hundred eighty-five".