3643255 has 16 divisors (see below), whose sum is σ = 5451264. Its totient is φ = 2270880.

The previous prime is 3643217. The next prime is 3643267. The reversal of 3643255 is 5523463.

It is not a de Polignac number, because 3643255 - 2⁷ = 3643127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4347 + ... + 5116.

It is an arithmetic number, because the mean of its divisors is an integer number (340704).

Almost surely, 2^3643255 is an apocalyptic number.

3643255 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3643255 is a deficient number, since it is larger than the sum of its proper divisors (1808009).

3643255 is a wasteful number, since it uses less digits than its factorization.

3643255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9486.

The product of its digits is 10800, while the sum is 28.

The square root of 3643255 is about 1908.7312540009. The cubic root of 3643255 is about 153.8732723670.

The spelling of 3643255 in words is "three million, six hundred forty-three thousand, two hundred fifty-five".