369689 has 4 divisors (see below), whose sum is σ = 371124. Its totient is φ = 368256.

The previous prime is 369673. The next prime is 369703. The reversal of 369689 is 986963.

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

It can be written as a sum of positive squares in 2 ways, for example, as 102400 + 267289 = 320^2 + 517^2 .

It is a cyclic number.

It is not a de Polignac number, because 369689 - 2⁴ = 369673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 369689.

It is not an unprimeable number, because it can be changed into a prime (369659) 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, 212 + ... + 885.

It is an arithmetic number, because the mean of its divisors is an integer number (92781).

2³⁶⁹⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

369689 is a deficient number, since it is larger than the sum of its proper divisors (1435).

369689 is a wasteful number, since it uses less digits than its factorization.

369689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434.

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

The square root of 369689 is about 608.0205588629. The cubic root of 369689 is about 71.7704235950.

The spelling of 369689 in words is "three hundred sixty-nine thousand, six hundred eighty-nine".