1819968 has 28 divisors (see below), whose sum is σ = 4815840. Its totient is φ = 606592.

The previous prime is 1819957. The next prime is 1819999. The reversal of 1819968 is 8699181.

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, 4548 + ... + 4931.

2^1819968 is an apocalyptic number.

It is an amenable number.

1819968 is an abundant number, since it is smaller than the sum of its proper divisors (2995872).

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

1819968 is an equidigital number, since it uses as much as digits as its factorization.

1819968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9494 (or 9484 counting only the distinct ones).

The product of its digits is 31104, while the sum is 42.

The square root of 1819968 is about 1349.0618962820. The cubic root of 1819968 is about 122.0921994076.

The spelling of 1819968 in words is "one million, eight hundred nineteen thousand, nine hundred sixty-eight".