3889225 has 6 divisors (see below), whose sum is σ = 4822670. Its totient is φ = 3111360.

The previous prime is 3889217. The next prime is 3889241. The reversal of 3889225 is 5229883.

3889225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 441 + 3888784 = 21^2 + 1972^2 .

It is not a de Polignac number, because 3889225 - 2³ = 3889217 is a prime.

It is a super-2 number, since 2×3889225² = 30252142201250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77760 + ... + 77809.

Almost surely, 2^3889225 is an apocalyptic number.

It is an amenable number.

3889225 is a deficient number, since it is larger than the sum of its proper divisors (933445).

3889225 is a wasteful number, since it uses less digits than its factorization.

3889225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155579 (or 155574 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 3889225 is about 1972.1118122459. Note that the first 3 decimals coincide. The cubic root of 3889225 is about 157.2609963639.

It can be divided in two parts, 3889 and 225, that added together give a palindrome (4114).

The spelling of 3889225 in words is "three million, eight hundred eighty-nine thousand, two hundred twenty-five".