3826989 has 12 divisors (see below), whose sum is σ = 5853276. Its totient is φ = 2401152.

The previous prime is 3826967. The next prime is 3827003. The reversal of 3826989 is 9896283.

It can be written as a sum of positive squares in 2 ways, for example, as 3515625 + 311364 = 1875^2 + 558^2 .

It is not a de Polignac number, because 3826989 - 2⁷ = 3826861 is a prime.

It is a super-2 number, since 2×3826989² = 29291689612242, which contains 22 as substring.

3826989 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3426989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12354 + ... + 12659.

It is an arithmetic number, because the mean of its divisors is an integer number (487773).

Almost surely, 2^3826989 is an apocalyptic number.

It is an amenable number.

3826989 is a deficient number, since it is larger than the sum of its proper divisors (2026287).

3826989 is a wasteful number, since it uses less digits than its factorization.

3826989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25036 (or 25033 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 3826989 is about 1956.2691532609. The cubic root of 3826989 is about 156.4176432152.

The spelling of 3826989 in words is "three million, eight hundred twenty-six thousand, nine hundred eighty-nine".