368889 has 4 divisors (see below), whose sum is σ = 491856. Its totient is φ = 245924.

The previous prime is 368881. The next prime is 368899. The reversal of 368889 is 988863.

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 368889 - 2³ = 368881 is a prime.

It is a D-number.

368889 is a lucky number.

It is a plaindrome in base 10.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 368889.

It is not an unprimeable number, because it can be changed into a prime (368881) 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, 61479 + ... + 61484.

It is an arithmetic number, because the mean of its divisors is an integer number (122964).

2³⁶⁸⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

368889 is a deficient number, since it is larger than the sum of its proper divisors (122967).

368889 is a wasteful number, since it uses less digits than its factorization.

368889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122966.

The product of its digits is 82944, while the sum is 42.

The square root of 368889 is about 607.3623300798. The cubic root of 368889 is about 71.7186162608.

The spelling of 368889 in words is "three hundred sixty-eight thousand, eight hundred eighty-nine".