390798055 has 16 divisors (see below), whose sum is σ = 487062720. Its totient is φ = 300654592.

The previous prime is 390798053. The next prime is 390798071. The reversal of 390798055 is 550897093.

It is a cyclic number.

It is not a de Polignac number, because 390798055 - 2¹ = 390798053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 390797996 and 390798014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390798053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32022 + ... + 42508.

It is an arithmetic number, because the mean of its divisors is an integer number (30441420).

Almost surely, 2^390798055 is an apocalyptic number.

390798055 is a deficient number, since it is larger than the sum of its proper divisors (96264665).

390798055 is a wasteful number, since it uses less digits than its factorization.

390798055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10778.

The product of its (nonzero) digits is 340200, while the sum is 46.

The square root of 390798055 is about 19768.6128749591. The cubic root of 390798055 is about 731.1123686722.

The spelling of 390798055 in words is "three hundred ninety million, seven hundred ninety-eight thousand, fifty-five".