3540556 has 12 divisors (see below), whose sum is σ = 6560568. Its totient is φ = 1666112.

The previous prime is 3540553. The next prime is 3540583. The reversal of 3540556 is 6550453.

3540556 = 89² + 90² + ... + 224².

It is not an unprimeable number, because it can be changed into a prime (3540553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25966 + ... + 26101.

It is an arithmetic number, because the mean of its divisors is an integer number (546714).

Almost surely, 2^3540556 is an apocalyptic number.

It is an amenable number.

3540556 is a deficient number, since it is larger than the sum of its proper divisors (3020012).

3540556 is a wasteful number, since it uses less digits than its factorization.

3540556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52088 (or 52086 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 3540556 is about 1881.6365217544. The cubic root of 3540556 is about 152.4136355924.

It can be divided in two parts, 354055 and 6, that added together give a triangular number (354061 = T₈₄₁).

The spelling of 3540556 in words is "three million, five hundred forty thousand, five hundred fifty-six".