3669831 has 24 divisors (see below), whose sum is σ = 6090240. Its totient is φ = 2106000.

The previous prime is 3669829. The next prime is 3669833. The reversal of 3669831 is 1389663.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3669829) and next prime (3669833).

It is not a de Polignac number, because 3669831 - 2¹ = 3669829 is a prime.

It is a super-2 number, since 2×3669831² = 26935319137122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3669833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 906 + ... + 2856.

It is an arithmetic number, because the mean of its divisors is an integer number (253760).

Almost surely, 2^3669831 is an apocalyptic number.

3669831 is a deficient number, since it is larger than the sum of its proper divisors (2420409).

3669831 is a wasteful number, since it uses less digits than its factorization.

3669831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987 (or 1984 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 3669831 is about 1915.6802969180. The cubic root of 3669831 is about 154.2465130417.

The spelling of 3669831 in words is "three million, six hundred sixty-nine thousand, eight hundred thirty-one".