990848133 has 80 divisors (see below), whose sum is σ = 1725672960. Its totient is φ = 560649600.

The previous prime is 990848101. The next prime is 990848147. The reversal of 990848133 is 331848099.

It is not a de Polignac number, because 990848133 - 2⁵ = 990848101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990848153) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 800391 + ... + 801627.

It is an arithmetic number, because the mean of its divisors is an integer number (21570912).

Almost surely, 2^990848133 is an apocalyptic number.

990848133 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

990848133 is a deficient number, since it is larger than the sum of its proper divisors (734824827).

990848133 is a wasteful number, since it uses less digits than its factorization.

990848133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320 (or 1311 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 990848133 is about 31477.7402778535. The cubic root of 990848133 is about 996.9400237627.

The spelling of 990848133 in words is "nine hundred ninety million, eight hundred forty-eight thousand, one hundred thirty-three".