361399793 has 2 divisors, whose sum is σ = 361399794. Its totient is φ = 361399792.

The previous prime is 361399777. The next prime is 361399813. The reversal of 361399793 is 397993163.

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., 346592689 + 14807104 = 18617^2 + 3848^2 .

It is a cyclic number.

It is not a de Polignac number, because 361399793 - 2⁴ = 361399777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (361399723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180699896 + 180699897.

It is an arithmetic number, because the mean of its divisors is an integer number (180699897).

Almost surely, 2^361399793 is an apocalyptic number.

It is an amenable number.

361399793 is a deficient number, since it is larger than the sum of its proper divisors (1).

361399793 is an equidigital number, since it uses as much as digits as its factorization.

361399793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 826686, while the sum is 50.

The square root of 361399793 is about 19010.5179571731. The cubic root of 361399793 is about 712.2994896127.

The spelling of 361399793 in words is "three hundred sixty-one million, three hundred ninety-nine thousand, seven hundred ninety-three".