3445240 has 16 divisors (see below), whose sum is σ = 7751880. Its totient is φ = 1378080.

The previous prime is 3445231. The next prime is 3445249. The reversal of 3445240 is 425443.

It is a happy number.

3445240 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3445231) and next prime (3445249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3445249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43026 + ... + 43105.

Almost surely, 2^3445240 is an apocalyptic number.

It is an amenable number.

3445240 is an abundant number, since it is smaller than the sum of its proper divisors (4306640).

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

3445240 is a wasteful number, since it uses less digits than its factorization.

3445240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86142 (or 86138 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 3445240 is about 1856.1357708961. The cubic root of 3445240 is about 151.0334560314.

The spelling of 3445240 in words is "three million, four hundred forty-five thousand, two hundred forty".