1900996 has 12 divisors (see below), whose sum is σ = 3471552. Its totient is φ = 909128.

The previous prime is 1900981. The next prime is 1901021. The reversal of 1900996 is 6990091.

It is a happy number.

It is a super-2 number, since 2×1900996² = 7227571584032, which contains 22 as substring.

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, 10240 + ... + 10423.

It is an arithmetic number, because the mean of its divisors is an integer number (289296).

2^1900996 is an apocalyptic number.

It is an amenable number.

1900996 is a deficient number, since it is larger than the sum of its proper divisors (1570556).

1900996 is a wasteful number, since it uses less digits than its factorization.

1900996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20690 (or 20688 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 1900996 is about 1378.7661150463. The cubic root of 1900996 is about 123.8778714294.

The spelling of 1900996 in words is "one million, nine hundred thousand, nine hundred ninety-six".