313794389 has 4 divisors (see below), whose sum is σ = 313838700. Its totient is φ = 313750080.

The previous prime is 313794319. The next prime is 313794409. The reversal of 313794389 is 983497313.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 983497313 = 193 ⋅5095841.

It can be written as a sum of positive squares in 2 ways, for example, as 39627025 + 274167364 = 6295^2 + 16558^2 .

It is a cyclic number.

It is not a de Polignac number, because 313794389 - 2²⁴ = 297017173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313794319) 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, 8882 + ... + 26579.

It is an arithmetic number, because the mean of its divisors is an integer number (78459675).

Almost surely, 2^313794389 is an apocalyptic number.

It is an amenable number.

313794389 is a deficient number, since it is larger than the sum of its proper divisors (44311).

313794389 is an equidigital number, since it uses as much as digits as its factorization.

313794389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44310.

The product of its digits is 489888, while the sum is 47.

The square root of 313794389 is about 17714.2425466064. The cubic root of 313794389 is about 679.5400501206.

The spelling of 313794389 in words is "three hundred thirteen million, seven hundred ninety-four thousand, three hundred eighty-nine".