1999316 has 12 divisors (see below), whose sum is σ = 3816960. Its totient is φ = 908760.

The previous prime is 1999307. The next prime is 1999331. The reversal of 1999316 is 6139991.

1999316 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1999316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22676 + ... + 22763.

It is an arithmetic number, because the mean of its divisors is an integer number (318080).

2^1999316 is an apocalyptic number.

It is an amenable number.

1999316 is a deficient number, since it is larger than the sum of its proper divisors (1817644).

1999316 is a wasteful number, since it uses less digits than its factorization.

1999316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45454 (or 45452 counting only the distinct ones).

The product of its digits is 13122, while the sum is 38.

The square root of 1999316 is about 1413.9717111739. The cubic root of 1999316 is about 125.9777402518.

The spelling of 1999316 in words is "one million, nine hundred ninety-nine thousand, three hundred sixteen".