1945996 has 12 divisors (see below), whose sum is σ = 3667552. Its totient is φ = 898128.

The previous prime is 1945991. The next prime is 1946011. The reversal of 1945996 is 6995491.

It is not an unprimeable number, because it can be changed into a prime (1945991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18660 + ... + 18763.

2^1945996 is an apocalyptic number.

It is an amenable number.

1945996 is a deficient number, since it is larger than the sum of its proper divisors (1721556).

1945996 is a wasteful number, since it uses less digits than its factorization.

1945996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37440 (or 37438 counting only the distinct ones).

The product of its digits is 87480, while the sum is 43.

The square root of 1945996 is about 1394.9896056960. The cubic root of 1945996 is about 124.8477292509.

Adding to 1945996 its product of digits (87480), we get a square (2033476 = 1426²).

The spelling of 1945996 in words is "one million, nine hundred forty-five thousand, nine hundred ninety-six".