990927441 has 27 divisors (see below), whose sum is σ = 1666139241. Its totient is φ = 565866504.

The previous prime is 990927409. The next prime is 990927449. The reversal of 990927441 is 144729099.

It is a happy number.

The square root of 990927441 is 31479.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 990927441 - 2⁵ = 990927409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (990927449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 660310 + ... + 661808.

Almost surely, 2^990927441 is an apocalyptic number.

990927441 is the 31479-th square number.

990927441 is the 15740-th centered octagonal number.

It is an amenable number.

990927441 is a deficient number, since it is larger than the sum of its proper divisors (675211800).

990927441 is an equidigital number, since it uses as much as digits as its factorization.

990927441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018 (or 1509 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The cubic root of 990927441 is about 996.9666215858.

The spelling of 990927441 in words is "nine hundred ninety million, nine hundred twenty-seven thousand, four hundred forty-one".