369640 has 16 divisors (see below), whose sum is σ = 831780. Its totient is φ = 147840.

The previous prime is 369637. The next prime is 369647. The reversal of 369640 is 46963.

It can be written as a sum of positive squares in 2 ways, for example, as 343396 + 26244 = 586^2 + 162^2 .

It is a junction number, because it is equal to n+sod(n) for n = 369599 and 369608.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4581 + ... + 4660.

2³⁶⁹⁶⁴⁰ is an apocalyptic number.

It is an amenable number.

369640 is an abundant number, since it is smaller than the sum of its proper divisors (462140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

369640 is a wasteful number, since it uses less digits than its factorization.

369640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9252 (or 9248 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 369640 is about 607.9802628375. The cubic root of 369640 is about 71.7672525457.

The spelling of 369640 in words is "three hundred sixty-nine thousand, six hundred forty".