390435 has 8 divisors (see below), whose sum is σ = 624720. Its totient is φ = 208224.

The previous prime is 390433. The next prime is 390437. The reversal of 390435 is 534093.

It is an interprime number because it is at equal distance from previous prime (390433) and next prime (390437).

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

It is not a de Polignac number, because 390435 - 2¹ = 390433 is a prime.

390435 is a lucky number.

It is a nialpdrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (390433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13000 + ... + 13029.

It is an arithmetic number, because the mean of its divisors is an integer number (78090).

2³⁹⁰⁴³⁵ is an apocalyptic number.

390435 is a deficient number, since it is larger than the sum of its proper divisors (234285).

390435 is a wasteful number, since it uses less digits than its factorization.

390435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26037.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 390435 is about 624.8479815123. The cubic root of 390435 is about 73.0885895146.

Adding to 390435 its product of nonzero digits (1620), we get a triangular number (392055 = T₈₈₅).

The spelling of 390435 in words is "three hundred ninety thousand, four hundred thirty-five".