990466 has 8 divisors (see below), whose sum is σ = 1537020. Its totient is φ = 478128.

The previous prime is 990463. The next prime is 990469. The reversal of 990466 is 664099.

It is an interprime number because it is at equal distance from previous prime (990463) and next prime (990469).

It can be written as a sum of positive squares in 2 ways, for example, as 990025 + 441 = 995^2 + 21^2 .

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

It is not an unprimeable number, because it can be changed into a prime (990463) 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, 8481 + ... + 8596.

2⁹⁹⁰⁴⁶⁶ is an apocalyptic number.

990466 is a deficient number, since it is larger than the sum of its proper divisors (546554).

990466 is a wasteful number, since it uses less digits than its factorization.

990466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17108.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 990466 is about 995.2215833672. The cubic root of 990466 is about 99.6811846479.

The spelling of 990466 in words is "nine hundred ninety thousand, four hundred sixty-six".