3456240 has 40 divisors (see below), whose sum is σ = 10715088. Its totient is φ = 921600.

The previous prime is 3456227. The next prime is 3456241. The reversal of 3456240 is 426543.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3456240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3456241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6961 + ... + 7440.

Almost surely, 2^3456240 is an apocalyptic number.

3456240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3456240 is an abundant number, since it is smaller than the sum of its proper divisors (7258848).

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

3456240 is a wasteful number, since it uses less digits than its factorization.

3456240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14417 (or 14411 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 3456240 is about 1859.0965547814. The cubic root of 3456240 is about 151.1940256871.

The spelling of 3456240 in words is "three million, four hundred fifty-six thousand, two hundred forty".