3555668 has 6 divisors (see below), whose sum is σ = 6222426. Its totient is φ = 1777832.

The previous prime is 3555649. The next prime is 3555677. The reversal of 3555668 is 8665553.

3555668 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3161284 + 394384 = 1778^2 + 628^2 .

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444455 + ... + 444462.

It is an arithmetic number, because the mean of its divisors is an integer number (1037071).

Almost surely, 2^3555668 is an apocalyptic number.

It is an amenable number.

3555668 is a deficient number, since it is larger than the sum of its proper divisors (2666758).

3555668 is a wasteful number, since it uses less digits than its factorization.

3555668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888921 (or 888919 counting only the distinct ones).

The product of its digits is 108000, while the sum is 38.

The square root of 3555668 is about 1885.6478992643. The cubic root of 3555668 is about 152.6301746163.

The spelling of 3555668 in words is "three million, five hundred fifty-five thousand, six hundred sixty-eight".