999849763 has 8 divisors (see below), whose sum is σ = 1103001840. Its totient is φ = 898740480.

The previous prime is 999849689. The next prime is 999849811. The reversal of 999849763 is 367948999.

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

It is not a de Polignac number, because 999849763 - 2⁹ = 999849251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 999849695 and 999849704.

It is not an unprimeable number, because it can be changed into a prime (999849163) 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, 509670 + ... + 511627.

It is an arithmetic number, because the mean of its divisors is an integer number (137875230).

Almost surely, 2^999849763 is an apocalyptic number.

999849763 is a deficient number, since it is larger than the sum of its proper divisors (103152077).

999849763 is a wasteful number, since it uses less digits than its factorization.

999849763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021397.

The product of its digits is 26453952, while the sum is 64.

The square root of 999849763 is about 31620.4010569126. The cubic root of 999849763 is about 999.9499184919.

The spelling of 999849763 in words is "nine hundred ninety-nine million, eight hundred forty-nine thousand, seven hundred sixty-three".