990946 has 16 divisors (see below), whose sum is σ = 1675008. Its totient is φ = 435600.

The previous prime is 990923. The next prime is 990953. The reversal of 990946 is 649099.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45 + ... + 1408.

It is an arithmetic number, because the mean of its divisors is an integer number (104688).

2⁹⁹⁰⁹⁴⁶ is an apocalyptic number.

990946 is a deficient number, since it is larger than the sum of its proper divisors (684062).

990946 is a wasteful number, since it uses less digits than its factorization.

990946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 990946 is about 995.4627064838. The cubic root of 990946 is about 99.6972845583.

It can be divided in two parts, 990 and 946, that added together give a square (1936 = 44²).

The spelling of 990946 in words is "nine hundred ninety thousand, nine hundred forty-six".