3825631 has 8 divisors (see below), whose sum is σ = 4049280. Its totient is φ = 3604248.

The previous prime is 3825623. The next prime is 3825637. The reversal of 3825631 is 1365283.

3825631 = T₅₈ + T₅₉ + ... + T₂₈₄.

3825631 = 796² + 797² + ... + 801².

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 3825631 - 2³ = 3825623 is a prime.

It is a super-2 number, since 2×3825631² = 29270905096322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3825631.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3870 + ... + 4756.

It is an arithmetic number, because the mean of its divisors is an integer number (506160).

Almost surely, 2^3825631 is an apocalyptic number.

3825631 is a deficient number, since it is larger than the sum of its proper divisors (223649).

3825631 is a wasteful number, since it uses less digits than its factorization.

3825631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133.

The product of its digits is 4320, while the sum is 28.

The square root of 3825631 is about 1955.9220332109. The cubic root of 3825631 is about 156.3991395221.

The spelling of 3825631 in words is "three million, eight hundred twenty-five thousand, six hundred thirty-one".