3460240 has 80 divisors (see below), whose sum is σ = 9499392. Its totient is φ = 1147392.

The previous prime is 3460217. The next prime is 3460243. The reversal of 3460240 is 420643.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (3460243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20637 + ... + 20803.

Almost surely, 2^3460240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3460240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4749696).

3460240 is an abundant number, since it is smaller than the sum of its proper divisors (6039152).

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

3460240 is a wasteful number, since it uses less digits than its factorization.

3460240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 218 counting only the distinct ones).

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

The square root of 3460240 is about 1860.1720350548. The cubic root of 3460240 is about 151.2523301783.

Adding to 3460240 its reverse (420643), we get a palindrome (3880883).

The spelling of 3460240 in words is "three million, four hundred sixty thousand, two hundred forty".