368990 has 8 divisors (see below), whose sum is σ = 664200. Its totient is φ = 147592.

The previous prime is 368957. The next prime is 369007. The reversal of 368990 is 99863.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 368990.

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 368990.

It is an unprimeable number.

368990 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18440 + ... + 18459.

It is an arithmetic number, because the mean of its divisors is an integer number (83025).

2³⁶⁸⁹⁹⁰ is an apocalyptic number.

368990 is a deficient number, since it is larger than the sum of its proper divisors (295210).

368990 is a wasteful number, since it uses less digits than its factorization.

368990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36906.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 368990 is about 607.4454708038. The cubic root of 368990 is about 71.7251610654.

The spelling of 368990 in words is "three hundred sixty-eight thousand, nine hundred ninety".