3556745 has 16 divisors (see below), whose sum is σ = 4447872. Its totient is φ = 2728320.

The previous prime is 3556739. The next prime is 3556747. The reversal of 3556745 is 5476553.

It is not a de Polignac number, because 3556745 - 2⁶ = 3556681 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3556747) 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, 15149 + ... + 15381.

It is an arithmetic number, because the mean of its divisors is an integer number (277992).

Almost surely, 2^3556745 is an apocalyptic number.

It is an amenable number.

3556745 is a deficient number, since it is larger than the sum of its proper divisors (891127).

3556745 is a wasteful number, since it uses less digits than its factorization.

3556745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352.

The product of its digits is 63000, while the sum is 35.

The square root of 3556745 is about 1885.9334558780. The cubic root of 3556745 is about 152.6455834512.

The spelling of 3556745 in words is "three million, five hundred fifty-six thousand, seven hundred forty-five".