390941233 has 2 divisors, whose sum is σ = 390941234. Its totient is φ = 390941232.

The previous prime is 390941219. The next prime is 390941249. The reversal of 390941233 is 332149093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227919409 + 163021824 = 15097^2 + 12768^2 .

It is a cyclic number.

It is not a de Polignac number, because 390941233 - 2¹³ = 390933041 is a prime.

It is not a weakly prime, because it can be changed into another prime (390941203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195470616 + 195470617.

It is an arithmetic number, because the mean of its divisors is an integer number (195470617).

Almost surely, 2^390941233 is an apocalyptic number.

It is an amenable number.

390941233 is a deficient number, since it is larger than the sum of its proper divisors (1).

390941233 is an equidigital number, since it uses as much as digits as its factorization.

390941233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 390941233 is about 19772.2338899781. The cubic root of 390941233 is about 731.2016444709.

The spelling of 390941233 in words is "three hundred ninety million, nine hundred forty-one thousand, two hundred thirty-three".