390007193 has 2 divisors, whose sum is σ = 390007194. Its totient is φ = 390007192.

The previous prime is 390007181. The next prime is 390007207. The reversal of 390007193 is 391700093.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256096009 + 133911184 = 16003^2 + 11572^2 .

It is a cyclic number.

It is not a de Polignac number, because 390007193 - 2¹⁸ = 389745049 is a prime.

It is a super-2 number, since 2×390007193² = 304211221183478498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (390007133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195003596 + 195003597.

It is an arithmetic number, because the mean of its divisors is an integer number (195003597).

Almost surely, 2^390007193 is an apocalyptic number.

It is an amenable number.

390007193 is a deficient number, since it is larger than the sum of its proper divisors (1).

390007193 is an equidigital number, since it uses as much as digits as its factorization.

390007193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 390007193 is about 19748.5997731485. The cubic root of 390007193 is about 730.6188490958.

The spelling of 390007193 in words is "three hundred ninety million, seven thousand, one hundred ninety-three".