3923399 has 2 divisors, whose sum is σ = 3923400. Its totient is φ = 3923398.

The previous prime is 3923357. The next prime is 3923401. The reversal of 3923399 is 9933293.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3923399 - 2¹⁶ = 3857863 is a prime.

It is a Sophie Germain prime.

Together with 3923401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3923099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1961699 + 1961700.

It is an arithmetic number, because the mean of its divisors is an integer number (1961700).

Almost surely, 2^3923399 is an apocalyptic number.

3923399 is a deficient number, since it is larger than the sum of its proper divisors (1).

3923399 is an equidigital number, since it uses as much as digits as its factorization.

3923399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39366, while the sum is 38.

The square root of 3923399 is about 1980.7571784547. The cubic root of 3923399 is about 157.7202629125.

The spelling of 3923399 in words is "three million, nine hundred twenty-three thousand, three hundred ninety-nine".