3540856 has 16 divisors (see below), whose sum is σ = 7242840. Its totient is φ = 1609440.

The previous prime is 3540829. The next prime is 3540893. The reversal of 3540856 is 6580453.

3540856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3540856² = 25075322425472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20031 + ... + 20206.

Almost surely, 2^3540856 is an apocalyptic number.

It is an amenable number.

3540856 is an abundant number, since it is smaller than the sum of its proper divisors (3701984).

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

3540856 is a wasteful number, since it uses less digits than its factorization.

3540856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40254 (or 40250 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 3540856 is about 1881.7162379062. The cubic root of 3540856 is about 152.4179402646.

The spelling of 3540856 in words is "three million, five hundred forty thousand, eight hundred fifty-six".