390160505 has 16 divisors (see below), whose sum is σ = 535486464. Its totient is φ = 267334080.

The previous prime is 390160493. The next prime is 390160517. The reversal of 390160505 is 505061093.

It is an interprime number because it is at equal distance from previous prime (390160493) and next prime (390160517).

It is not a de Polignac number, because 390160505 - 2⁸ = 390160249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53000 + ... + 59910.

It is an arithmetic number, because the mean of its divisors is an integer number (33467904).

Almost surely, 2^390160505 is an apocalyptic number.

390160505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

390160505 is a deficient number, since it is larger than the sum of its proper divisors (145325959).

390160505 is a wasteful number, since it uses less digits than its factorization.

390160505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8536.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 390160505 is about 19752.4809834107. The cubic root of 390160505 is about 730.7145720849.

The spelling of 390160505 in words is "three hundred ninety million, one hundred sixty thousand, five hundred five".