390093243 has 16 divisors (see below), whose sum is σ = 539738112. Its totient is φ = 250344000.

The previous prime is 390093227. The next prime is 390093247. The reversal of 390093243 is 342390093.

It is not a de Polignac number, because 390093243 - 2⁴ = 390093227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (390093247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6783 + ... + 28743.

It is an arithmetic number, because the mean of its divisors is an integer number (33733632).

Almost surely, 2^390093243 is an apocalyptic number.

390093243 is a deficient number, since it is larger than the sum of its proper divisors (149644869).

390093243 is a wasteful number, since it uses less digits than its factorization.

390093243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22186.

The product of its (nonzero) digits is 17496, while the sum is 33.

The square root of 390093243 is about 19750.7782884625. The cubic root of 390093243 is about 730.6725789841.

The spelling of 390093243 in words is "three hundred ninety million, ninety-three thousand, two hundred forty-three".