369889 has 8 divisors (see below), whose sum is σ = 409640. Its totient is φ = 331776.

The previous prime is 369877. The next prime is 369893. The reversal of 369889 is 988963.

It can be written as a sum of positive squares in 4 ways, for example, as 48400 + 321489 = 220^2 + 567^2 .

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

It is a 4-Lehmer number, since φ(369889) divides (369889-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 369889 - 2¹¹ = 367841 is a prime.

It is a Duffinian number.

369889 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (369829) 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, 97 + ... + 865.

It is an arithmetic number, because the mean of its divisors is an integer number (51205).

2³⁶⁹⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

369889 is a deficient number, since it is larger than the sum of its proper divisors (39751).

369889 is a wasteful number, since it uses less digits than its factorization.

369889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819.

The product of its digits is 93312, while the sum is 43.

The square root of 369889 is about 608.1850047477. The cubic root of 369889 is about 71.7833637483.

The spelling of 369889 in words is "three hundred sixty-nine thousand, eight hundred eighty-nine".