999411407 has 16 divisors (see below), whose sum is σ = 1036929600. Its totient is φ = 962707200.

The previous prime is 999411401. The next prime is 999411451. The reversal of 999411407 is 704114999.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 999411407 - 2⁸ = 999411151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999411401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1312907 + ... + 1313667.

It is an arithmetic number, because the mean of its divisors is an integer number (64808100).

Almost surely, 2^999411407 is an apocalyptic number.

999411407 is a deficient number, since it is larger than the sum of its proper divisors (37518193).

999411407 is a wasteful number, since it uses less digits than its factorization.

999411407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 999411407 is about 31613.4687593753. The cubic root of 999411407 is about 999.8037638272.

The spelling of 999411407 in words is "nine hundred ninety-nine million, four hundred eleven thousand, four hundred seven".