3622687 has 2 divisors, whose sum is σ = 3622688. Its totient is φ = 3622686.

The previous prime is 3622679. The next prime is 3622721. The reversal of 3622687 is 7862263.

It is an a-pointer prime, because the next prime (3622721) can be obtained adding 3622687 to its sum of digits (34).

It is a weak prime.

It is an emirp because it is prime and its reverse (7862263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3622687 - 2³ = 3622679 is a prime.

It is a super-2 number, since 2×3622687² = 26247722199938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3622987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1811343 + 1811344.

It is an arithmetic number, because the mean of its divisors is an integer number (1811344).

Almost surely, 2^3622687 is an apocalyptic number.

3622687 is a deficient number, since it is larger than the sum of its proper divisors (1).

3622687 is an equidigital number, since it uses as much as digits as its factorization.

3622687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 3622687 is about 1903.3357559821. The cubic root of 3622687 is about 153.5831618324.

The spelling of 3622687 in words is "three million, six hundred twenty-two thousand, six hundred eighty-seven".