3894923 has 2 divisors, whose sum is σ = 3894924. Its totient is φ = 3894922.

The previous prime is 3894899. The next prime is 3894949. The reversal of 3894923 is 3294983.

It is a weak prime.

It is an emirp because it is prime and its reverse (3294983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3894923 - 2⁶ = 3894859 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (3894973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1947461 + 1947462.

It is an arithmetic number, because the mean of its divisors is an integer number (1947462).

Almost surely, 2^3894923 is an apocalyptic number.

3894923 is a deficient number, since it is larger than the sum of its proper divisors (1).

3894923 is an equidigital number, since it uses as much as digits as its factorization.

3894923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The square root of 3894923 is about 1973.5559277609. Note that the first 3 decimals coincide. The cubic root of 3894923 is about 157.3377585217.

The spelling of 3894923 in words is "three million, eight hundred ninety-four thousand, nine hundred twenty-three".