390381323 has 8 divisors (see below), whose sum is σ = 411933600. Its totient is φ = 369210688.

The previous prime is 390381317. The next prime is 390381337. The reversal of 390381323 is 323183093.

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 390381323 - 2⁶ = 390381259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 390381323.

It is not an unprimeable number, because it can be changed into a prime (390386323) 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, 93308 + ... + 97401.

It is an arithmetic number, because the mean of its divisors is an integer number (51491700).

Almost surely, 2^390381323 is an apocalyptic number.

390381323 is a deficient number, since it is larger than the sum of its proper divisors (21552277).

390381323 is a wasteful number, since it uses less digits than its factorization.

390381323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190821.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 390381323 is about 19758.0698196965. The cubic root of 390381323 is about 730.8523995493.

The spelling of 390381323 in words is "three hundred ninety million, three hundred eighty-one thousand, three hundred twenty-three".