369986 has 4 divisors (see below), whose sum is σ = 554982. Its totient is φ = 184992.

The previous prime is 369983. The next prime is 369991. The reversal of 369986 is 689963.

369986 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 323761 + 46225 = 569^2 + 215^2 .

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 as a sum of consecutive naturals, namely, 92495 + ... + 92498.

2³⁶⁹⁹⁸⁶ is an apocalyptic number.

369986 is a deficient number, since it is larger than the sum of its proper divisors (184996).

369986 is a wasteful number, since it uses less digits than its factorization.

369986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184995.

The product of its digits is 69984, while the sum is 41.

The square root of 369986 is about 608.2647449918. The cubic root of 369986 is about 71.7896380429.

The spelling of 369986 in words is "three hundred sixty-nine thousand, nine hundred eighty-six".