990802501 has 16 divisors (see below), whose sum is σ = 1116559360. Its totient is φ = 872933760.

The previous prime is 990802471. The next prime is 990802537. The reversal of 990802501 is 105208099.

990802501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 990802501 - 2²⁹ = 453931589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990802541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12580 + ... + 46258.

It is an arithmetic number, because the mean of its divisors is an integer number (69784960).

Almost surely, 2^990802501 is an apocalyptic number.

It is an amenable number.

990802501 is a deficient number, since it is larger than the sum of its proper divisors (125756859).

990802501 is a wasteful number, since it uses less digits than its factorization.

990802501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33796.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 990802501 is about 31477.0154398412. The cubic root of 990802501 is about 996.9247193436.

The spelling of 990802501 in words is "nine hundred ninety million, eight hundred two thousand, five hundred one".