3556741 has 4 divisors (see below), whose sum is σ = 3562272. Its totient is φ = 3551212.

The previous prime is 3556739. The next prime is 3556747. The reversal of 3556741 is 1476553.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3556741 - 2¹ = 3556739 is a prime.

It is a Duffinian number.

3556741 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1651 + ... + 3136.

It is an arithmetic number, because the mean of its divisors is an integer number (890568).

Almost surely, 2^3556741 is an apocalyptic number.

It is an amenable number.

3556741 is a deficient number, since it is larger than the sum of its proper divisors (5531).

3556741 is an equidigital number, since it uses as much as digits as its factorization.

3556741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530.

The product of its digits is 12600, while the sum is 31.

The square root of 3556741 is about 1885.9323953949. The cubic root of 3556741 is about 152.6455262282.

The spelling of 3556741 in words is "three million, five hundred fifty-six thousand, seven hundred forty-one".