3556456 has 8 divisors (see below), whose sum is σ = 6668370. Its totient is φ = 1778224.

The previous prime is 3556447. The next prime is 3556457. The reversal of 3556456 is 6546553.

It can be written as a sum of positive squares in only one way, i.e., 3422500 + 133956 = 1850^2 + 366^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (3556457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222271 + ... + 222286.

Almost surely, 2^3556456 is an apocalyptic number.

It is an amenable number.

3556456 is a deficient number, since it is larger than the sum of its proper divisors (3111914).

3556456 is a wasteful number, since it uses less digits than its factorization.

3556456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444563 (or 444559 counting only the distinct ones).

The product of its digits is 54000, while the sum is 34.

The square root of 3556456 is about 1885.8568344389. The cubic root of 3556456 is about 152.6414489810.

The spelling of 3556456 in words is "three million, five hundred fifty-six thousand, four hundred fifty-six".