361741921 has 4 divisors (see below), whose sum is σ = 367873200. Its totient is φ = 355610644.

The previous prime is 361741909. The next prime is 361741927. The reversal of 361741921 is 129147163.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 361741921 - 2⁵ = 361741889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361741927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3065551 + ... + 3065668.

It is an arithmetic number, because the mean of its divisors is an integer number (91968300).

Almost surely, 2^361741921 is an apocalyptic number.

It is an amenable number.

361741921 is a deficient number, since it is larger than the sum of its proper divisors (6131279).

361741921 is an equidigital number, since it uses as much as digits as its factorization.

361741921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6131278.

The product of its digits is 9072, while the sum is 34.

The square root of 361741921 is about 19019.5142156681. The cubic root of 361741921 is about 712.5241906632.

The spelling of 361741921 in words is "three hundred sixty-one million, seven hundred forty-one thousand, nine hundred twenty-one".