390166798 has 8 divisors (see below), whose sum is σ = 668857392. Its totient is φ = 167214336.

The previous prime is 390166793. The next prime is 390166801. The reversal of 390166798 is 897661093.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390166793) 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, 13934515 + ... + 13934542.

It is an arithmetic number, because the mean of its divisors is an integer number (83607174).

Almost surely, 2^390166798 is an apocalyptic number.

390166798 is a deficient number, since it is larger than the sum of its proper divisors (278690594).

390166798 is a wasteful number, since it uses less digits than its factorization.

390166798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27869066.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 390166798 is about 19752.6402792133. The cubic root of 390166798 is about 730.7185006920.

The spelling of 390166798 in words is "three hundred ninety million, one hundred sixty-six thousand, seven hundred ninety-eight".