3661288 has 8 divisors (see below), whose sum is σ = 6864930. Its totient is φ = 1830640.

The previous prime is 3661277. The next prime is 3661289. The reversal of 3661288 is 8821663.

It can be written as a sum of positive squares in only one way, i.e., 3392964 + 268324 = 1842^2 + 518^2 .

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 (3661289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228823 + ... + 228838.

Almost surely, 2^3661288 is an apocalyptic number.

It is an amenable number.

3661288 is a deficient number, since it is larger than the sum of its proper divisors (3203642).

3661288 is a wasteful number, since it uses less digits than its factorization.

3661288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457667 (or 457663 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 3661288 is about 1913.4492415531. The cubic root of 3661288 is about 154.1267298874.

The spelling of 3661288 in words is "three million, six hundred sixty-one thousand, two hundred eighty-eight".