3690031 has 2 divisors, whose sum is σ = 3690032. Its totient is φ = 3690030.

The previous prime is 3690013. The next prime is 3690053. The reversal of 3690031 is 1300963.

Together with previous prime (3690013) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (3690053) can be obtained adding 3690031 to its sum of digits (22).

It is a weak prime.

It is an emirp because it is prime and its reverse (1300963) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3690031 - 2⁹ = 3689519 is a prime.

It is a super-2 number, since 2×3690031² = 27232657561922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3689984 and 3690011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3690091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1845015 + 1845016.

It is an arithmetic number, because the mean of its divisors is an integer number (1845016).

Almost surely, 2^3690031 is an apocalyptic number.

3690031 is a deficient number, since it is larger than the sum of its proper divisors (1).

3690031 is an equidigital number, since it uses as much as digits as its factorization.

3690031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 3690031 is about 1920.9453401906. The cubic root of 3690031 is about 154.5290038167.

Adding to 3690031 its reverse (1300963), we get a palindrome (4990994).

The spelling of 3690031 in words is "three million, six hundred ninety thousand, thirty-one".