390818485 has 8 divisors (see below), whose sum is σ = 469195776. Its totient is φ = 312512400.

The previous prime is 390818473. The next prime is 390818501. The reversal of 390818485 is 584818093.

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

It is not a de Polignac number, because 390818485 - 2¹⁷ = 390687413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4869 + ... + 28378.

It is an arithmetic number, because the mean of its divisors is an integer number (58649472).

Almost surely, 2^390818485 is an apocalyptic number.

It is an amenable number.

390818485 is a deficient number, since it is larger than the sum of its proper divisors (78377291).

390818485 is a wasteful number, since it uses less digits than its factorization.

390818485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35603.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 390818485 is about 19769.1295964188. The cubic root of 390818485 is about 731.1251087266.

The spelling of 390818485 in words is "three hundred ninety million, eight hundred eighteen thousand, four hundred eighty-five".