3869623 has 2 divisors, whose sum is σ = 3869624. Its totient is φ = 3869622.

The previous prime is 3869611. The next prime is 3869627. The reversal of 3869623 is 3269683.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3269683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3869623 - 2⁹ = 3869111 is a prime.

3869623 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3869627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934811 + 1934812.

It is an arithmetic number, because the mean of its divisors is an integer number (1934812).

Almost surely, 2^3869623 is an apocalyptic number.

3869623 is a deficient number, since it is larger than the sum of its proper divisors (1).

3869623 is an equidigital number, since it uses as much as digits as its factorization.

3869623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 37.

The square root of 3869623 is about 1967.1357350219. The cubic root of 3869623 is about 156.9963486513.

The spelling of 3869623 in words is "three million, eight hundred sixty-nine thousand, six hundred twenty-three".