361968589 has 4 divisors (see below), whose sum is σ = 364731840. Its totient is φ = 359205340.

The previous prime is 361968583. The next prime is 361968619. The reversal of 361968589 is 985869163.

It is a happy number.

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 361968589 - 2⁵ = 361968557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361968583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1381429 + ... + 1381690.

It is an arithmetic number, because the mean of its divisors is an integer number (91182960).

Almost surely, 2^361968589 is an apocalyptic number.

It is an amenable number.

361968589 is a deficient number, since it is larger than the sum of its proper divisors (2763251).

361968589 is a wasteful number, since it uses less digits than its factorization.

361968589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763250.

The product of its digits is 2799360, while the sum is 55.

The square root of 361968589 is about 19025.4721097796. The cubic root of 361968589 is about 712.6729824788.

The spelling of 361968589 in words is "three hundred sixty-one million, nine hundred sixty-eight thousand, five hundred eighty-nine".