1999496 has 16 divisors (see below), whose sum is σ = 3785100. Its totient is φ = 990144.

The previous prime is 1999471. The next prime is 1999499. The reversal of 1999496 is 6949991.

It can be written as a sum of positive squares in 2 ways, for example, as 1999396 + 100 = 1414^2 + 10^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1999496.

It is not an unprimeable number, because it can be changed into a prime (1999499) 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, 275 + ... + 2018.

2^1999496 is an apocalyptic number.

It is an amenable number.

1999496 is a deficient number, since it is larger than the sum of its proper divisors (1785604).

1999496 is a wasteful number, since it uses less digits than its factorization.

1999496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408 (or 2404 counting only the distinct ones).

The product of its digits is 157464, while the sum is 47.

The square root of 1999496 is about 1414.0353602368. The cubic root of 1999496 is about 125.9815207635.

The spelling of 1999496 in words is "one million, nine hundred ninety-nine thousand, four hundred ninety-six".