313720838 has 8 divisors (see below), whose sum is σ = 470678688. Its totient is φ = 156827944.

The previous prime is 313720831. The next prime is 313720853. The reversal of 313720838 is 838027313.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 313720798 and 313720807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313720831) 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, 1481 + ... + 25092.

It is an arithmetic number, because the mean of its divisors is an integer number (58834836).

Almost surely, 2^313720838 is an apocalyptic number.

313720838 is a deficient number, since it is larger than the sum of its proper divisors (156957850).

313720838 is a wasteful number, since it uses less digits than its factorization.

313720838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32478.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 313720838 is about 17712.1663835907. The cubic root of 313720838 is about 679.4869529786.

The spelling of 313720838 in words is "three hundred thirteen million, seven hundred twenty thousand, eight hundred thirty-eight".