3247240 has 16 divisors (see below), whose sum is σ = 7306380. Its totient is φ = 1298880.

The previous prime is 3247207. The next prime is 3247243. The reversal of 3247240 is 427423.

3247240 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3247204 + 36 = 1802^2 + 6^2 .

It is not an unprimeable number, because it can be changed into a prime (3247243) 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, 40551 + ... + 40630.

Almost surely, 2^3247240 is an apocalyptic number.

It is an amenable number.

3247240 is an abundant number, since it is smaller than the sum of its proper divisors (4059140).

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

3247240 is a wasteful number, since it uses less digits than its factorization.

3247240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81192 (or 81188 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 3247240 is about 1802.0099888735. The cubic root of 3247240 is about 148.0828608316.

The spelling of 3247240 in words is "three million, two hundred forty-seven thousand, two hundred forty".