3880889 has 2 divisors, whose sum is σ = 3880890. Its totient is φ = 3880888.

The previous prime is 3880871. The next prime is 3880897. The reversal of 3880889 is 9880883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3736489 + 144400 = 1933^2 + 380^2 .

It is a cyclic number.

It is not a de Polignac number, because 3880889 - 2⁸ = 3880633 is a prime.

It is a super-2 number, since 2×3880889² = 30122598860642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3880189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1940444 + 1940445.

It is an arithmetic number, because the mean of its divisors is an integer number (1940445).

Almost surely, 2^3880889 is an apocalyptic number.

It is an amenable number.

3880889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3880889 is an equidigital number, since it uses as much as digits as its factorization.

3880889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 3880889 is about 1969.9972081198. The cubic root of 3880889 is about 157.1485604778.

The spelling of 3880889 in words is "three million, eight hundred eighty thousand, eight hundred eighty-nine".