361294389 has 6 divisors (see below), whose sum is σ = 521869686. Its totient is φ = 240862920.

The previous prime is 361294379. The next prime is 361294457. The reversal of 361294389 is 983492163.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 218300625 + 142993764 = 14775^2 + 11958^2 .

It is not a de Polignac number, because 361294389 - 2⁷ = 361294261 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361294379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20071902 + ... + 20071919.

It is an arithmetic number, because the mean of its divisors is an integer number (86978281).

Almost surely, 2^361294389 is an apocalyptic number.

It is an amenable number.

361294389 is a deficient number, since it is larger than the sum of its proper divisors (160575297).

361294389 is a wasteful number, since it uses less digits than its factorization.

361294389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40143827 (or 40143824 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 361294389 is about 19007.7455001902. The cubic root of 361294389 is about 712.2302343474.

The spelling of 361294389 in words is "three hundred sixty-one million, two hundred ninety-four thousand, three hundred eighty-nine".