390112841 has 2 divisors, whose sum is σ = 390112842. Its totient is φ = 390112840.

The previous prime is 390112819. The next prime is 390112859. The reversal of 390112841 is 148211093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315808441 + 74304400 = 17771^2 + 8620^2 .

It is a cyclic number.

It is not a de Polignac number, because 390112841 - 2⁶ = 390112777 is a prime.

It is not a weakly prime, because it can be changed into another prime (390112861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195056420 + 195056421.

It is an arithmetic number, because the mean of its divisors is an integer number (195056421).

Almost surely, 2^390112841 is an apocalyptic number.

It is an amenable number.

390112841 is a deficient number, since it is larger than the sum of its proper divisors (1).

390112841 is an equidigital number, since it uses as much as digits as its factorization.

390112841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 390112841 is about 19751.2744145789. The cubic root of 390112841 is about 730.6848149317.

The spelling of 390112841 in words is "three hundred ninety million, one hundred twelve thousand, eight hundred forty-one".