1919996 has 12 divisors (see below), whose sum is σ = 3618552. Its totient is φ = 886128.

The previous prime is 1919987. The next prime is 1920001. The reversal of 1919996 is 6999191.

It is a happy number.

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, 18410 + ... + 18513.

It is an arithmetic number, because the mean of its divisors is an integer number (301546).

2^1919996 is an apocalyptic number.

It is an amenable number.

1919996 is a deficient number, since it is larger than the sum of its proper divisors (1698556).

1919996 is a wasteful number, since it uses less digits than its factorization.

1919996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36940 (or 36938 counting only the distinct ones).

The product of its digits is 39366, while the sum is 44.

The square root of 1919996 is about 1385.6392026787. The cubic root of 1919996 is about 124.2892139261.

The spelling of 1919996 in words is "one million, nine hundred nineteen thousand, nine hundred ninety-six".