3006631 has 2 divisors, whose sum is σ = 3006632. Its totient is φ = 3006630.

The previous prime is 3006623. The next prime is 3006649. The reversal of 3006631 is 1366003.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3006631 - 2³ = 3006623 is a prime.

It is a super-2 number, since 2×3006631² = 18079659940322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3006599 and 3006608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3001631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1503315 + 1503316.

It is an arithmetic number, because the mean of its divisors is an integer number (1503316).

Almost surely, 2^3006631 is an apocalyptic number.

3006631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3006631 is an equidigital number, since it uses as much as digits as its factorization.

3006631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3006631 is about 1733.9639557961. The cubic root of 3006631 is about 144.3311405788.

The spelling of 3006631 in words is "three million, six thousand, six hundred thirty-one".