3240855 has 12 divisors (see below), whose sum is σ = 5617560. Its totient is φ = 1728432.

The previous prime is 3240851. The next prime is 3240877. The reversal of 3240855 is 5580423.

It is not a de Polignac number, because 3240855 - 2² = 3240851 is a prime.

It is a super-2 number, since 2×3240855² = 21006282262050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35965 + ... + 36054.

It is an arithmetic number, because the mean of its divisors is an integer number (468130).

Almost surely, 2^3240855 is an apocalyptic number.

3240855 is a deficient number, since it is larger than the sum of its proper divisors (2376705).

3240855 is a wasteful number, since it uses less digits than its factorization.

3240855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72030 (or 72027 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 3240855 is about 1800.2374843337. The cubic root of 3240855 is about 147.9857394343.

It can be divided in two parts, 3240 and 855, that added together give a triangular number (4095 = T₉₀).

The spelling of 3240855 in words is "three million, two hundred forty thousand, eight hundred fifty-five".