365640361 has 8 divisors (see below), whose sum is σ = 386369280. Its totient is φ = 345314112.

The previous prime is 365640349. The next prime is 365640367. The reversal of 365640361 is 163046563.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-365640361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (365640367) 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, 98800 + ... + 102433.

It is an arithmetic number, because the mean of its divisors is an integer number (48296160).

Almost surely, 2^365640361 is an apocalyptic number.

It is an amenable number.

365640361 is a deficient number, since it is larger than the sum of its proper divisors (20728919).

365640361 is a wasteful number, since it uses less digits than its factorization.

365640361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201335.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 365640361 is about 19121.7248437478. The cubic root of 365640361 is about 715.0746403569.

The spelling of 365640361 in words is "three hundred sixty-five million, six hundred forty thousand, three hundred sixty-one".