3870457 has 2 divisors, whose sum is σ = 3870458. Its totient is φ = 3870456.

The previous prime is 3870439. The next prime is 3870467. The reversal of 3870457 is 7540783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3825936 + 44521 = 1956^2 + 211^2 .

It is a cyclic number.

It is not a de Polignac number, because 3870457 - 2¹⁵ = 3837689 is a prime.

It is not a weakly prime, because it can be changed into another prime (3870437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935228 + 1935229.

It is an arithmetic number, because the mean of its divisors is an integer number (1935229).

Almost surely, 2^3870457 is an apocalyptic number.

It is an amenable number.

3870457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3870457 is an equidigital number, since it uses as much as digits as its factorization.

3870457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 3870457 is about 1967.3477069395. The cubic root of 3870457 is about 157.0076267138.

The spelling of 3870457 in words is "three million, eight hundred seventy thousand, four hundred fifty-seven".