3556436 has 18 divisors (see below), whose sum is σ = 6740622. Its totient is φ = 1641120.

The previous prime is 3556393. The next prime is 3556447. The reversal of 3556436 is 6346553.

It can be written as a sum of positive squares in 3 ways, for example, as 59536 + 3496900 = 244^2 + 1870^2 .

It is a d-powerful number, because it can be written as 3³ + 5³ + 5⁹ + 6² + 4⁵ + 3¹³ + 6⁵ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1955 + ... + 3306.

It is an arithmetic number, because the mean of its divisors is an integer number (374479).

Almost surely, 2^3556436 is an apocalyptic number.

It is an amenable number.

3556436 is a deficient number, since it is larger than the sum of its proper divisors (3184186).

3556436 is a wasteful number, since it uses less digits than its factorization.

3556436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291 (or 5276 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

The square root of 3556436 is about 1885.8515318020. The cubic root of 3556436 is about 152.6411628502.

The spelling of 3556436 in words is "three million, five hundred fifty-six thousand, four hundred thirty-six".