3381631 has 8 divisors (see below), whose sum is σ = 3712464. Its totient is φ = 3054720.

The previous prime is 3381613. The next prime is 3381641. The reversal of 3381631 is 1361833.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3381631 is a prime.

It is a super-2 number, since 2×3381631² = 22870856440322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3381596 and 3381605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3381641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015 + ... + 2791.

It is an arithmetic number, because the mean of its divisors is an integer number (464058).

Almost surely, 2^3381631 is an apocalyptic number.

3381631 is a deficient number, since it is larger than the sum of its proper divisors (330833).

3381631 is a wasteful number, since it uses less digits than its factorization.

3381631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961.

The product of its digits is 1296, while the sum is 25.

The square root of 3381631 is about 1838.9211511101. The cubic root of 3381631 is about 150.0981727704.

The spelling of 3381631 in words is "three million, three hundred eighty-one thousand, six hundred thirty-one".