390076803346 has 8 divisors (see below), whose sum is σ = 585558142524. Its totient is φ = 194890755840.

The previous prime is 390076803313. The next prime is 390076803367. The reversal of 390076803346 is 643308670093.

It can be written as a sum of positive squares in 2 ways, for example, as 290213851225 + 99862952121 = 538715^2 + 316011^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 390076803346.

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, 73819615 + ... + 73824898.

Almost surely, 2^390076803346 is an apocalyptic number.

390076803346 is a deficient number, since it is larger than the sum of its proper divisors (195481339178).

390076803346 is a wasteful number, since it uses less digits than its factorization.

390076803346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147645836.

The product of its (nonzero) digits is 1959552, while the sum is 49.

The spelling of 390076803346 in words is "three hundred ninety billion, seventy-six million, eight hundred three thousand, three hundred forty-six".