365990 has 8 divisors (see below), whose sum is σ = 658800. Its totient is φ = 146392.

The previous prime is 365983. The next prime is 366001. The reversal of 365990 is 99563.

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

It is a Curzon number.

It is a nialpdrome in base 14.

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 365990.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18290 + ... + 18309.

It is an arithmetic number, because the mean of its divisors is an integer number (82350).

2³⁶⁵⁹⁹⁰ is an apocalyptic number.

365990 is a deficient number, since it is larger than the sum of its proper divisors (292810).

365990 is a wasteful number, since it uses less digits than its factorization.

365990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36606.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 365990 is about 604.9710736887. The cubic root of 365990 is about 71.5302494791.

The spelling of 365990 in words is "three hundred sixty-five thousand, nine hundred ninety".