1644096 has 28 divisors (see below), whose sum is σ = 4350512. Its totient is φ = 547968.

The previous prime is 1644079. The next prime is 1644103. The reversal of 1644096 is 6904461.

It is a super-3 number, since 3×1644096³ = 13332229252266590208, which contains 333 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4090 + ... + 4473.

2^1644096 is an apocalyptic number.

1644096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1644096 is an abundant number, since it is smaller than the sum of its proper divisors (2706416).

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

1644096 is an equidigital number, since it uses as much as digits as its factorization.

1644096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8578 (or 8568 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1644096 is about 1282.2230695164. The cubic root of 1644096 is about 118.0254661114.

The spelling of 1644096 in words is "one million, six hundred forty-four thousand, ninety-six".