3869489 has 8 divisors (see below), whose sum is σ = 4412520. Its totient is φ = 3361536.

The previous prime is 3869473. The next prime is 3869501. The reversal of 3869489 is 9849683.

3869489 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 4 ways, for example, as 400 + 3869089 = 20^2 + 1967^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3869489 - 2⁴ = 3869473 is a prime.

It is a super-2 number, since 2×3869489² = 29945890242242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3869189) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8534 + ... + 8975.

It is an arithmetic number, because the mean of its divisors is an integer number (551565).

Almost surely, 2^3869489 is an apocalyptic number.

It is an amenable number.

3869489 is a deficient number, since it is larger than the sum of its proper divisors (543031).

3869489 is a wasteful number, since it uses less digits than its factorization.

3869489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17539.

The product of its digits is 373248, while the sum is 47.

The square root of 3869489 is about 1967.1016750539. The cubic root of 3869489 is about 156.9945364375.

It can be divided in two parts, 38694 and 89, that added together give a palindrome (38783).

The spelling of 3869489 in words is "three million, eight hundred sixty-nine thousand, four hundred eighty-nine".