3895949 has 2 divisors, whose sum is σ = 3895950. Its totient is φ = 3895948.

The previous prime is 3895921. The next prime is 3895963. The reversal of 3895949 is 9495983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3541924 + 354025 = 1882^2 + 595^2 .

It is a cyclic number.

It is not a de Polignac number, because 3895949 - 2¹⁶ = 3830413 is a prime.

It is a super-2 number, since 2×3895949² = 30356837221202, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3895909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1947974 + 1947975.

It is an arithmetic number, because the mean of its divisors is an integer number (1947975).

Almost surely, 2^3895949 is an apocalyptic number.

It is an amenable number.

3895949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3895949 is an equidigital number, since it uses as much as digits as its factorization.

3895949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 47.

The square root of 3895949 is about 1973.8158475400. The cubic root of 3895949 is about 157.3515726046.

The spelling of 3895949 in words is "three million, eight hundred ninety-five thousand, nine hundred forty-nine".