3886457 has 2 divisors, whose sum is σ = 3886458. Its totient is φ = 3886456.

The previous prime is 3886453. The next prime is 3886459. The reversal of 3886457 is 7546883.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3759721 + 126736 = 1939^2 + 356^2 .

It is an emirp because it is prime and its reverse (7546883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3886457 - 2² = 3886453 is a prime.

Together with 3886459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3886453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1943228 + 1943229.

It is an arithmetic number, because the mean of its divisors is an integer number (1943229).

Almost surely, 2^3886457 is an apocalyptic number.

It is an amenable number.

3886457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3886457 is an equidigital number, since it uses as much as digits as its factorization.

3886457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 41.

The square root of 3886457 is about 1971.4099015679. The cubic root of 3886457 is about 157.2236794394.

The spelling of 3886457 in words is "three million, eight hundred eighty-six thousand, four hundred fifty-seven".