990363552 has 48 divisors (see below), whose sum is σ = 2635335360. Its totient is φ = 325596672.

The previous prime is 990363551. The next prime is 990363559. The reversal of 990363552 is 255363099.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (990363551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63652 + ... + 77667.

It is an arithmetic number, because the mean of its divisors is an integer number (54902820).

Almost surely, 2^990363552 is an apocalyptic number.

It is an amenable number.

990363552 is an abundant number, since it is smaller than the sum of its proper divisors (1644971808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

990363552 is a wasteful number, since it uses less digits than its factorization.

990363552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141405 (or 141397 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 42.

The square root of 990363552 is about 31470.0421353388. The cubic root of 990363552 is about 996.7774771682. Note that the first 3 decimals are identical.

The spelling of 990363552 in words is "nine hundred ninety million, three hundred sixty-three thousand, five hundred fifty-two".