990382 has 8 divisors (see below), whose sum is σ = 1491336. Its totient is φ = 493272.

The previous prime is 990377. The next prime is 990383. The reversal of 990382 is 283099.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193 + ... + 1420.

It is an arithmetic number, because the mean of its divisors is an integer number (186417).

2⁹⁹⁰³⁸² is an apocalyptic number.

990382 is a deficient number, since it is larger than the sum of its proper divisors (500954).

990382 is a wasteful number, since it uses less digits than its factorization.

990382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 990382 is about 995.1793808153. The cubic root of 990382 is about 99.6783666288.

The spelling of 990382 in words is "nine hundred ninety thousand, three hundred eighty-two".