3426440 has 16 divisors (see below), whose sum is σ = 7709580. Its totient is φ = 1370560.

The previous prime is 3426433. The next prime is 3426443. The reversal of 3426440 is 446243.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3034564 + 391876 = 1742^2 + 626^2 .

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (3426443) by changing a digit.

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, 42791 + ... + 42870.

Almost surely, 2^3426440 is an apocalyptic number.

It is an amenable number.

3426440 is an abundant number, since it is smaller than the sum of its proper divisors (4283140).

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

3426440 is a wasteful number, since it uses less digits than its factorization.

3426440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85672 (or 85668 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3426440 is about 1851.0645585716. The cubic root of 3426440 is about 150.7582348157.

The spelling of 3426440 in words is "three million, four hundred twenty-six thousand, four hundred forty".