999471113 has 4 divisors (see below), whose sum is σ = 1000251408. Its totient is φ = 998690820.

The previous prime is 999471091. The next prime is 999471127. The reversal of 999471113 is 311174999.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999471113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999471163) 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, 388223 + ... + 390788.

It is an arithmetic number, because the mean of its divisors is an integer number (250062852).

Almost surely, 2^999471113 is an apocalyptic number.

It is an amenable number.

999471113 is a deficient number, since it is larger than the sum of its proper divisors (780295).

999471113 is a wasteful number, since it uses less digits than its factorization.

999471113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780294.

The product of its digits is 61236, while the sum is 44.

The square root of 999471113 is about 31614.4130579709. The cubic root of 999471113 is about 999.8236732440.

The spelling of 999471113 in words is "nine hundred ninety-nine million, four hundred seventy-one thousand, one hundred thirteen".