390195814 has 8 divisors (see below), whose sum is σ = 589762008. Its totient is φ = 193608480.

The previous prime is 390195797. The next prime is 390195829. The reversal of 390195814 is 418591093.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 744387 + ... + 744910.

It is an arithmetic number, because the mean of its divisors is an integer number (73720251).

Almost surely, 2^390195814 is an apocalyptic number.

390195814 is a deficient number, since it is larger than the sum of its proper divisors (199566194).

390195814 is a wasteful number, since it uses less digits than its factorization.

390195814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489430.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 390195814 is about 19753.3747496472. The cubic root of 390195814 is about 730.7366143147.

The spelling of 390195814 in words is "three hundred ninety million, one hundred ninety-five thousand, eight hundred fourteen".