3540256 has 24 divisors (see below), whose sum is σ = 7011900. Its totient is φ = 1759488.

The previous prime is 3540247. The next prime is 3540259. The reversal of 3540256 is 6520453.

It can be written as a sum of positive squares in 2 ways, for example, as 3459600 + 80656 = 1860^2 + 284^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3540256.

It is not an unprimeable number, because it can be changed into a prime (3540259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9970 + ... + 10318.

Almost surely, 2^3540256 is an apocalyptic number.

It is an amenable number.

3540256 is a deficient number, since it is larger than the sum of its proper divisors (3471644).

3540256 is a wasteful number, since it uses less digits than its factorization.

3540256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3540256 is about 1881.5568022252. The cubic root of 3540256 is about 152.4093306770.

The spelling of 3540256 in words is "three million, five hundred forty thousand, two hundred fifty-six".