999694103 has 16 divisors (see below), whose sum is σ = 1071173376. Its totient is φ = 930663360.

The previous prime is 999694099. The next prime is 999694117. The reversal of 999694103 is 301496999.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 999694103 - 2² = 999694099 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 (999694303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492176 + ... + 494202.

It is an arithmetic number, because the mean of its divisors is an integer number (66948336).

Almost surely, 2^999694103 is an apocalyptic number.

999694103 is a deficient number, since it is larger than the sum of its proper divisors (71479273).

999694103 is a wasteful number, since it uses less digits than its factorization.

999694103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614.

The product of its (nonzero) digits is 472392, while the sum is 50.

The square root of 999694103 is about 31617.9395755005. The cubic root of 999694103 is about 999.8980239346.

The spelling of 999694103 in words is "nine hundred ninety-nine million, six hundred ninety-four thousand, one hundred three".