116438393 has 4 divisors (see below), whose sum is σ = 120453540. Its totient is φ = 112423248.

The previous prime is 116438359. The next prime is 116438407. The reversal of 116438393 is 393834611.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33500944 + 82937449 = 5788^2 + 9107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116438393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116438323) 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, 2007530 + ... + 2007587.

It is an arithmetic number, because the mean of its divisors is an integer number (30113385).

Almost surely, 2^116438393 is an apocalyptic number.

It is an amenable number.

116438393 is a deficient number, since it is larger than the sum of its proper divisors (4015147).

116438393 is an equidigital number, since it uses as much as digits as its factorization.

116438393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015146.

The product of its digits is 46656, while the sum is 38.

The square root of 116438393 is about 10790.6623059013. The cubic root of 116438393 is about 488.3135037072.

The spelling of 116438393 in words is "one hundred sixteen million, four hundred thirty-eight thousand, three hundred ninety-three".