2063440 has 20 divisors (see below), whose sum is σ = 4797684. Its totient is φ = 825344.

The previous prime is 2063429. The next prime is 2063459. The reversal of 2063440 is 443602.

It can be written as a sum of positive squares in 2 ways, for example, as 404496 + 1658944 = 636^2 + 1288^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 12817 + ... + 12976.

2^2063440 is an apocalyptic number.

2063440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2063440 is an abundant number, since it is smaller than the sum of its proper divisors (2734244).

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

2063440 is a wasteful number, since it uses less digits than its factorization.

2063440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25806 (or 25800 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2063440 is about 1436.4678903477. The cubic root of 2063440 is about 127.3104192631.

The spelling of 2063440 in words is "two million, sixty-three thousand, four hundred forty".