369561 has 8 divisors (see below), whose sum is σ = 503424. Its totient is φ = 241040.

The previous prime is 369557. The next prime is 369581. The reversal of 369561 is 165963.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 369561 - 2² = 369557 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 369561.

It is not an unprimeable number, because it can be changed into a prime (369581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170 + ... + 1451.

It is an arithmetic number, because the mean of its divisors is an integer number (62928).

2³⁶⁹⁵⁶¹ is an apocalyptic number.

It is an amenable number.

369561 is a deficient number, since it is larger than the sum of its proper divisors (133863).

369561 is a wasteful number, since it uses less digits than its factorization.

369561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671.

The product of its digits is 4860, while the sum is 30.

The square root of 369561 is about 607.9152901515. The cubic root of 369561 is about 71.7621394475.

The spelling of 369561 in words is "three hundred sixty-nine thousand, five hundred sixty-one".