320818379 has 8 divisors (see below), whose sum is σ = 376559328. Its totient is φ = 267554880.

The previous prime is 320818367. The next prime is 320818391. The reversal of 320818379 is 973818023.

It is an interprime number because it is at equal distance from previous prime (320818367) and next prime (320818391).

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

It is a cyclic number.

It is not a de Polignac number, because 320818379 - 2⁸ = 320818123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320818079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619082 + ... + 619599.

It is an arithmetic number, because the mean of its divisors is an integer number (47069916).

Almost surely, 2^320818379 is an apocalyptic number.

320818379 is a deficient number, since it is larger than the sum of its proper divisors (55740949).

320818379 is a wasteful number, since it uses less digits than its factorization.

320818379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238725.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 320818379 is about 17911.4036021748. The cubic root of 320818379 is about 684.5729691425.

The spelling of 320818379 in words is "three hundred twenty million, eight hundred eighteen thousand, three hundred seventy-nine".