3556743 has 16 divisors (see below), whose sum is σ = 5210880. Its totient is φ = 2147904.

The previous prime is 3556739. The next prime is 3556747. The reversal of 3556743 is 3476553.

3556743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3556739) and next prime (3556747).

It is not a de Polignac number, because 3556743 - 2² = 3556739 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁶ + 5⁵ + 5⁹ + 6⁴ + 7² + 4⁶ + 3¹³ .

3556743 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3556747) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 46 + ... + 2667.

It is an arithmetic number, because the mean of its divisors is an integer number (325680).

Almost surely, 2^3556743 is an apocalyptic number.

3556743 is a deficient number, since it is larger than the sum of its proper divisors (1654137).

3556743 is a wasteful number, since it uses less digits than its factorization.

3556743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758.

The product of its digits is 37800, while the sum is 33.

The square root of 3556743 is about 1885.9329256365. The cubic root of 3556743 is about 152.6455548397.

The spelling of 3556743 in words is "three million, five hundred fifty-six thousand, seven hundred forty-three".