3923669 has 2 divisors, whose sum is σ = 3923670. Its totient is φ = 3923668.

The previous prime is 3923653. The next prime is 3923681. The reversal of 3923669 is 9663293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3104644 + 819025 = 1762^2 + 905^2 .

It is a cyclic number.

It is not a de Polignac number, because 3923669 - 2⁴ = 3923653 is a prime.

It is a super-2 number, since 2×3923669² = 30790356843122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3923609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1961834 + 1961835.

It is an arithmetic number, because the mean of its divisors is an integer number (1961835).

Almost surely, 2^3923669 is an apocalyptic number.

It is an amenable number.

3923669 is a deficient number, since it is larger than the sum of its proper divisors (1).

3923669 is an equidigital number, since it uses as much as digits as its factorization.

3923669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 38.

The square root of 3923669 is about 1980.8253330367. The cubic root of 3923669 is about 157.7238808209.

The spelling of 3923669 in words is "three million, nine hundred twenty-three thousand, six hundred sixty-nine".