3889427 has 2 divisors, whose sum is σ = 3889428. Its totient is φ = 3889426.

The previous prime is 3889423. The next prime is 3889441. The reversal of 3889427 is 7249883.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3889427 - 2² = 3889423 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3889423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1944713 + 1944714.

It is an arithmetic number, because the mean of its divisors is an integer number (1944714).

Almost surely, 2^3889427 is an apocalyptic number.

3889427 is a deficient number, since it is larger than the sum of its proper divisors (1).

3889427 is an equidigital number, since it uses as much as digits as its factorization.

3889427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The square root of 3889427 is about 1972.1630257157. The cubic root of 3889427 is about 157.2637189433.

The spelling of 3889427 in words is "three million, eight hundred eighty-nine thousand, four hundred twenty-seven".