369645 has 16 divisors (see below), whose sum is σ = 623040. Its totient is φ = 186624.

The previous prime is 369637. The next prime is 369647. The reversal of 369645 is 546963.

It is a happy number.

It is not a de Polignac number, because 369645 - 2³ = 369637 is a prime.

It is a super-3 number, since 3×369645³ = 151522024029033375, which contains 333 as substring.

It is a nialpdrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 369645.

It is not an unprimeable number, because it can be changed into a prime (369647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364 + ... + 933.

It is an arithmetic number, because the mean of its divisors is an integer number (38940).

2³⁶⁹⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

369645 is a deficient number, since it is larger than the sum of its proper divisors (253395).

369645 is a wasteful number, since it uses less digits than its factorization.

369645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324.

The product of its digits is 19440, while the sum is 33.

The square root of 369645 is about 607.9843747992. The cubic root of 369645 is about 71.7675761350.

It can be divided in two parts, 3696 and 45, that added together give a triangular number (3741 = T₈₆).

The spelling of 369645 in words is "three hundred sixty-nine thousand, six hundred forty-five".