1999296 has 112 divisors (see below), whose sum is σ = 6400800. Its totient is φ = 608256.

The previous prime is 1999273. The next prime is 1999297. The reversal of 1999296 is 6929991.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1999297) 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, 22420 + ... + 22508.

It is an arithmetic number, because the mean of its divisors is an integer number (57150).

2^1999296 is an apocalyptic number.

1999296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1999296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3200400).

1999296 is an abundant number, since it is smaller than the sum of its proper divisors (4401504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1999296 is a wasteful number, since it uses less digits than its factorization.

1999296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 107 counting only the distinct ones).

The product of its digits is 78732, while the sum is 45.

The square root of 1999296 is about 1413.9646388789. The cubic root of 1999296 is about 125.9773201809.

The spelling of 1999296 in words is "one million, nine hundred ninety-nine thousand, two hundred ninety-six".