3626431 has 2 divisors, whose sum is σ = 3626432. Its totient is φ = 3626430.

The previous prime is 3626429. The next prime is 3626437. The reversal of 3626431 is 1346263.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3626431 - 2¹ = 3626429 is a prime.

It is a super-2 number, since 2×3626431² = 26302003595522, which contains 22 as substring.

Together with 3626429, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3626396 and 3626405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3626437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1813215 + 1813216.

It is an arithmetic number, because the mean of its divisors is an integer number (1813216).

Almost surely, 2^3626431 is an apocalyptic number.

3626431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3626431 is an equidigital number, since it uses as much as digits as its factorization.

3626431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 25.

The square root of 3626431 is about 1904.3190383967. The cubic root of 3626431 is about 153.6360523509.

The spelling of 3626431 in words is "three million, six hundred twenty-six thousand, four hundred thirty-one".