990366 has 16 divisors (see below), whose sum is σ = 2133264. Its totient is φ = 304704.

The previous prime is 990361. The next prime is 990371. The reversal of 990366 is 663099.

It is an interprime number because it is at equal distance from previous prime (990361) and next prime (990371).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990361) 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, 6271 + ... + 6426.

It is an arithmetic number, because the mean of its divisors is an integer number (133329).

2⁹⁹⁰³⁶⁶ is an apocalyptic number.

990366 is an abundant number, since it is smaller than the sum of its proper divisors (1142898).

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

990366 is a wasteful number, since it uses less digits than its factorization.

990366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12715.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 990366 is about 995.1713420311. The cubic root of 990366 is about 99.6778298452.

The spelling of 990366 in words is "nine hundred ninety thousand, three hundred sixty-six".