999617411 has 16 divisors (see below), whose sum is σ = 1087451904. Its totient is φ = 913395744.

The previous prime is 999617407. The next prime is 999617429. The reversal of 999617411 is 114716999.

It is a cyclic number.

It is not a de Polignac number, because 999617411 - 2² = 999617407 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999617401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613580 + ... + 615206.

It is an arithmetic number, because the mean of its divisors is an integer number (67965744).

Almost surely, 2^999617411 is an apocalyptic number.

999617411 is a deficient number, since it is larger than the sum of its proper divisors (87834493).

999617411 is a wasteful number, since it uses less digits than its factorization.

999617411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090.

The product of its digits is 122472, while the sum is 47.

The square root of 999617411 is about 31616.7267597391. The cubic root of 999617411 is about 999.8724540661.

The spelling of 999617411 in words is "nine hundred ninety-nine million, six hundred seventeen thousand, four hundred eleven".