990463555 has 8 divisors (see below), whose sum is σ = 1188768672. Its totient is φ = 792229248.

The previous prime is 990463549. The next prime is 990463567. The reversal of 990463555 is 555364099.

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

It is a cyclic number.

It is not a de Polignac number, because 990463555 - 2⁷ = 990463427 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20619 + ... + 49051.

It is an arithmetic number, because the mean of its divisors is an integer number (148596084).

Almost surely, 2^990463555 is an apocalyptic number.

990463555 is a deficient number, since it is larger than the sum of its proper divisors (198305117).

990463555 is a wasteful number, since it uses less digits than its factorization.

990463555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35405.

The product of its (nonzero) digits is 729000, while the sum is 46.

The square root of 990463555 is about 31471.6309555129. The cubic root of 990463555 is about 996.8110262566.

The spelling of 990463555 in words is "nine hundred ninety million, four hundred sixty-three thousand, five hundred fifty-five".