991003714 has 16 divisors (see below), whose sum is σ = 1587212352. Its totient is φ = 462935088.

The previous prime is 991003709. The next prime is 991003723. The reversal of 991003714 is 417300199.

It is a super-2 number, since 2×991003714² = 1964176722323587592, 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 991003714.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248529 + ... + 252484.

It is an arithmetic number, because the mean of its divisors is an integer number (99200772).

Almost surely, 2^991003714 is an apocalyptic number.

991003714 is a deficient number, since it is larger than the sum of its proper divisors (596208638).

991003714 is a wasteful number, since it uses less digits than its factorization.

991003714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501081.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 991003714 is about 31480.2114668882. The cubic root of 991003714 is about 996.9922002108.

The spelling of 991003714 in words is "nine hundred ninety-one million, three thousand, seven hundred fourteen".