991182002 has 8 divisors (see below), whose sum is σ = 1489072896. Its totient is φ = 494824372.

The previous prime is 991182001. The next prime is 991182007. The reversal of 991182002 is 200281199.

It is a happy number.

991182002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×991182002² = 1964883522177456008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 991182002.

It is not an unprimeable number, because it can be changed into a prime (991182001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381698 + ... + 384285.

It is an arithmetic number, because the mean of its divisors is an integer number (186134112).

Almost surely, 2^991182002 is an apocalyptic number.

991182002 is a deficient number, since it is larger than the sum of its proper divisors (497890894).

991182002 is a wasteful number, since it uses less digits than its factorization.

991182002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766632.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 991182002 is about 31483.0430867157. The cubic root of 991182002 is about 997.0519850816.

The spelling of 991182002 in words is "nine hundred ninety-one million, one hundred eighty-two thousand, two".