3448631 has 2 divisors, whose sum is σ = 3448632. Its totient is φ = 3448630.

The previous prime is 3448607. The next prime is 3448639. The reversal of 3448631 is 1368443.

It is a strong prime.

It is an emirp because it is prime and its reverse (1368443) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3448631 is a prime.

It is a super-2 number, since 2×3448631² = 23786111548322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3448594 and 3448603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3448639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1724315 + 1724316.

It is an arithmetic number, because the mean of its divisors is an integer number (1724316).

Almost surely, 2^3448631 is an apocalyptic number.

3448631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3448631 is an equidigital number, since it uses as much as digits as its factorization.

3448631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

The square root of 3448631 is about 1857.0490031230. The cubic root of 3448631 is about 151.0829916720.

Adding to 3448631 its product of digits (6912), we get a palindrome (3455543).

The spelling of 3448631 in words is "three million, four hundred forty-eight thousand, six hundred thirty-one".