991995483 has 8 divisors (see below), whose sum is σ = 1323552528. Its totient is φ = 660884384.

The previous prime is 991995469. The next prime is 991995503. The reversal of 991995483 is 384599199.

991995483 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 cyclic number.

It is not a de Polignac number, because 991995483 - 2⁸ = 991995227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (991995463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106260 + ... + 115217.

It is an arithmetic number, because the mean of its divisors is an integer number (165444066).

Almost surely, 2^991995483 is an apocalyptic number.

991995483 is a deficient number, since it is larger than the sum of its proper divisors (331557045).

991995483 is a wasteful number, since it uses less digits than its factorization.

991995483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222973.

The product of its digits is 3149280, while the sum is 57.

The square root of 991995483 is about 31495.9597885189. The cubic root of 991995483 is about 997.3246766946.

The spelling of 991995483 in words is "nine hundred ninety-one million, nine hundred ninety-five thousand, four hundred eighty-three".