3829621 has 8 divisors (see below), whose sum is σ = 4108320. Its totient is φ = 3558672.

The previous prime is 3829613. The next prime is 3829633. The reversal of 3829621 is 1269283.

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 3829621 - 2³ = 3829613 is a prime.

It is a super-3 number, since 3×3829621³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3829601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895 + ... + 2908.

It is an arithmetic number, because the mean of its divisors is an integer number (513540).

Almost surely, 2^3829621 is an apocalyptic number.

It is an amenable number.

3829621 is a deficient number, since it is larger than the sum of its proper divisors (278699).

3829621 is a wasteful number, since it uses less digits than its factorization.

3829621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3875.

The product of its digits is 5184, while the sum is 31.

The square root of 3829621 is about 1956.9417467058. The cubic root of 3829621 is about 156.4534935833.

The spelling of 3829621 in words is "three million, eight hundred twenty-nine thousand, six hundred twenty-one".