2049440 has 24 divisors (see below), whose sum is σ = 4842180. Its totient is φ = 819712.

The previous prime is 2049431. The next prime is 2049449. The reversal of 2049440 is 449402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2049431) and next prime (2049449).

It can be written as a sum of positive squares in 2 ways, for example, as 1993744 + 55696 = 1412^2 + 236^2 .

It is not an unprimeable number, because it can be changed into a prime (2049449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6245 + ... + 6564.

2^2049440 is an apocalyptic number.

2049440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2049440 is an abundant number, since it is smaller than the sum of its proper divisors (2792740).

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

2049440 is a wasteful number, since it uses less digits than its factorization.

2049440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12824 (or 12816 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2049440 is about 1431.5865324876. The cubic root of 2049440 is about 127.0218409540.

The spelling of 2049440 in words is "two million, forty-nine thousand, four hundred forty".