390434935 has 12 divisors (see below), whose sum is σ = 514987704. Its totient is φ = 283952240.

The previous prime is 390434927. The next prime is 390434977. The reversal of 390434935 is 539434093.

It is not a de Polignac number, because 390434935 - 2³ = 390434927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322069 + ... + 323278.

It is an arithmetic number, because the mean of its divisors is an integer number (42915642).

Almost surely, 2^390434935 is an apocalyptic number.

390434935 is a deficient number, since it is larger than the sum of its proper divisors (124552769).

390434935 is a wasteful number, since it uses less digits than its factorization.

390434935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645374 (or 645363 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 40.

The square root of 390434935 is about 19759.4264845921. The cubic root of 390434935 is about 730.8858545868.

The spelling of 390434935 in words is "three hundred ninety million, four hundred thirty-four thousand, nine hundred thirty-five".