3556545 has 16 divisors (see below), whose sum is σ = 5830272. Its totient is φ = 1850240.

The previous prime is 3556543. The next prime is 3556547. The reversal of 3556545 is 5456553.

It is an interprime number because it is at equal distance from previous prime (3556543) and next prime (3556547).

It is not a de Polignac number, because 3556545 - 2¹ = 3556543 is a prime.

3556545 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3556543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2277 + ... + 3506.

It is an arithmetic number, because the mean of its divisors is an integer number (364392).

Almost surely, 2^3556545 is an apocalyptic number.

It is an amenable number.

3556545 is a deficient number, since it is larger than the sum of its proper divisors (2273727).

3556545 is a wasteful number, since it uses less digits than its factorization.

3556545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5832.

The product of its digits is 45000, while the sum is 33.

The square root of 3556545 is about 1885.8804309924. The cubic root of 3556545 is about 152.6427222500.

The spelling of 3556545 in words is "three million, five hundred fifty-six thousand, five hundred forty-five".