3822689 has 4 divisors (see below), whose sum is σ = 4116756. Its totient is φ = 3528624.

The previous prime is 3822683. The next prime is 3822701. The reversal of 3822689 is 9862283.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2534464 + 1288225 = 1592^2 + 1135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3822689 is a prime.

It is a super-2 number, since 2×3822689² = 29225902381442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3822683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147014 + ... + 147039.

It is an arithmetic number, because the mean of its divisors is an integer number (1029189).

Almost surely, 2^3822689 is an apocalyptic number.

It is an amenable number.

3822689 is a deficient number, since it is larger than the sum of its proper divisors (294067).

3822689 is a wasteful number, since it uses less digits than its factorization.

3822689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294066.

The product of its digits is 41472, while the sum is 38.

The square root of 3822689 is about 1955.1698135968. The cubic root of 3822689 is about 156.3590377046.

The spelling of 3822689 in words is "three million, eight hundred twenty-two thousand, six hundred eighty-nine".