3556746 has 12 divisors (see below), whose sum is σ = 7706322. Its totient is φ = 1185576.

The previous prime is 3556739. The next prime is 3556747. The reversal of 3556746 is 6476553.

It can be written as a sum of positive squares in only one way, i.e., 3101121 + 455625 = 1761^2 + 675^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3556746.

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 5 ways as a sum of consecutive naturals, for example, 98781 + ... + 98816.

Almost surely, 2^3556746 is an apocalyptic number.

3556746 is an abundant number, since it is smaller than the sum of its proper divisors (4149576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3556746 is a wasteful number, since it uses less digits than its factorization.

3556746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197605 (or 197602 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 3556746 is about 1885.9337209987. The cubic root of 3556746 is about 152.6455977569.

The spelling of 3556746 in words is "three million, five hundred fifty-six thousand, seven hundred forty-six".