361239089 has 4 divisors (see below), whose sum is σ = 362182656. Its totient is φ = 360295524.

The previous prime is 361239079. The next prime is 361239101. The reversal of 361239089 is 980932163.

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 a de Polignac number, because none of the positive numbers 2^k-361239089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361239019) 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, 471209 + ... + 471974.

It is an arithmetic number, because the mean of its divisors is an integer number (90545664).

Almost surely, 2^361239089 is an apocalyptic number.

It is an amenable number.

361239089 is a deficient number, since it is larger than the sum of its proper divisors (943567).

361239089 is an equidigital number, since it uses as much as digits as its factorization.

361239089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943566.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 361239089 is about 19006.2907743726. The cubic root of 361239089 is about 712.1938943222.

The spelling of 361239089 in words is "three hundred sixty-one million, two hundred thirty-nine thousand, eighty-nine".