3942923 has 2 divisors, whose sum is σ = 3942924. Its totient is φ = 3942922.

The previous prime is 3942919. The next prime is 3942931. The reversal of 3942923 is 3292493.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3942923 - 2² = 3942919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3942923.

It is not a weakly prime, because it can be changed into another prime (3942023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1971461 + 1971462.

It is an arithmetic number, because the mean of its divisors is an integer number (1971462).

Almost surely, 2^3942923 is an apocalyptic number.

3942923 is a deficient number, since it is larger than the sum of its proper divisors (1).

3942923 is an equidigital number, since it uses as much as digits as its factorization.

3942923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The square root of 3942923 is about 1985.6794806816. The cubic root of 3942923 is about 157.9814511152.

The spelling of 3942923 in words is "three million, nine hundred forty-two thousand, nine hundred twenty-three".