369988 has 12 divisors (see below), whose sum is σ = 685692. Its totient is φ = 174080.

The previous prime is 369983. The next prime is 369991. The reversal of 369988 is 889963.

369988 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 278784 + 91204 = 528^2 + 302^2 .

It is a super-2 number, since 2×369988² = 273782240288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (369983) 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, 2653 + ... + 2788.

It is an arithmetic number, because the mean of its divisors is an integer number (57141).

2³⁶⁹⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

369988 is a deficient number, since it is larger than the sum of its proper divisors (315704).

369988 is a wasteful number, since it uses less digits than its factorization.

369988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462 (or 5460 counting only the distinct ones).

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

The square root of 369988 is about 608.2663890106. The cubic root of 369988 is about 71.7897673983.

Subtracting from 369988 its product of digits (93312), we obtain a square (276676 = 526²).

The spelling of 369988 in words is "three hundred sixty-nine thousand, nine hundred eighty-eight".