3825638 has 8 divisors (see below), whose sum is σ = 5817288. Its totient is φ = 1886544.

The previous prime is 3825637. The next prime is 3825643. The reversal of 3825638 is 8365283.

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

It is a super-2 number, since 2×3825638² = 29271012214088, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3825598 and 3825607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3825637) 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, 12956 + ... + 13247.

It is an arithmetic number, because the mean of its divisors is an integer number (727161).

Almost surely, 2^3825638 is an apocalyptic number.

3825638 is a deficient number, since it is larger than the sum of its proper divisors (1991650).

3825638 is a wasteful number, since it uses less digits than its factorization.

3825638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26278.

The product of its digits is 34560, while the sum is 35.

The square root of 3825638 is about 1955.9238226475. The cubic root of 3825638 is about 156.3992349132.

The spelling of 3825638 in words is "three million, eight hundred twenty-five thousand, six hundred thirty-eight".