3666898 has 8 divisors (see below), whose sum is σ = 5512140. Its totient is φ = 1829520.

The previous prime is 3666881. The next prime is 3666907. The reversal of 3666898 is 8986663.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3433609 + 233289 = 1853^2 + 483^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3666898² = 26892281884808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613 + ... + 2776.

Almost surely, 2^3666898 is an apocalyptic number.

3666898 is a deficient number, since it is larger than the sum of its proper divisors (1845242).

3666898 is a wasteful number, since it uses less digits than its factorization.

3666898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3932.

The product of its digits is 373248, while the sum is 46.

The square root of 3666898 is about 1914.9146195066. The cubic root of 3666898 is about 154.2054098229.

The spelling of 3666898 in words is "three million, six hundred sixty-six thousand, eight hundred ninety-eight".