3240455 has 16 divisors (see below), whose sum is σ = 4186080. Its totient is φ = 2399232.

The previous prime is 3240451. The next prime is 3240467. The reversal of 3240455 is 5540423.

It is a cyclic number.

It is not a de Polignac number, because 3240455 - 2² = 3240451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3240455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240451) 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, 5411 + ... + 5979.

It is an arithmetic number, because the mean of its divisors is an integer number (261630).

Almost surely, 2^3240455 is an apocalyptic number.

3240455 is a deficient number, since it is larger than the sum of its proper divisors (945625).

3240455 is a wasteful number, since it uses less digits than its factorization.

3240455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 3240455 is about 1800.1263844519. The cubic root of 3240455 is about 147.9796508424.

Adding to 3240455 its reverse (5540423), we get a palindrome (8780878).

Subtracting 3240455 from its reverse (5540423), we obtain a cube (2299968 = 132³).

The spelling of 3240455 in words is "three million, two hundred forty thousand, four hundred fifty-five".