361389 has 8 divisors (see below), whose sum is σ = 550720. Its totient is φ = 206496.

The previous prime is 361373. The next prime is 361409. The reversal of 361389 is 983163.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 361389 - 2⁴ = 361373 is a prime.

It is a Duffinian number.

361389 is a lucky number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8584 + ... + 8625.

It is an arithmetic number, because the mean of its divisors is an integer number (68840).

2³⁶¹³⁸⁹ is an apocalyptic number.

It is an amenable number.

361389 is a deficient number, since it is larger than the sum of its proper divisors (189331).

361389 is a wasteful number, since it uses less digits than its factorization.

361389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17219.

The product of its digits is 3888, while the sum is 30.

The square root of 361389 is about 601.1563856435. The cubic root of 361389 is about 71.2292398735.

The spelling of 361389 in words is "three hundred sixty-one thousand, three hundred eighty-nine".