1920396 has 12 divisors (see below), whose sum is σ = 4480952. Its totient is φ = 640128.

The previous prime is 1920383. The next prime is 1920397. The reversal of 1920396 is 6930291.

It is a tau number, because it is divible by the number of its divisors (12).

1920396 is a modest number, since divided by 396 gives 192 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1920397) 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, 80005 + ... + 80028.

2^1920396 is an apocalyptic number.

It is an amenable number.

1920396 is an abundant number, since it is smaller than the sum of its proper divisors (2560556).

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

1920396 is a wasteful number, since it uses less digits than its factorization.

1920396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160040 (or 160038 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 1920396 is about 1385.7835328795. The cubic root of 1920396 is about 124.2978445402.

The spelling of 1920396 in words is "one million, nine hundred twenty thousand, three hundred ninety-six".