3556340 has 24 divisors (see below), whose sum is σ = 7652232. Its totient is φ = 1387520.

The previous prime is 3556337. The next prime is 3556367. The reversal of 3556340 is 436553.

It can be written as a sum of positive squares in 4 ways, for example, as 309136 + 3247204 = 556^2 + 1802^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1349 + ... + 2988.

It is an arithmetic number, because the mean of its divisors is an integer number (318843).

Almost surely, 2^3556340 is an apocalyptic number.

It is an amenable number.

3556340 is an abundant number, since it is smaller than the sum of its proper divisors (4095892).

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

3556340 is a wasteful number, since it uses less digits than its factorization.

3556340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387 (or 4385 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 3556340 is about 1885.8260789373. The cubic root of 3556340 is about 152.6397894075.

The spelling of 3556340 in words is "three million, five hundred fifty-six thousand, three hundred forty".