3821630 has 8 divisors (see below), whose sum is σ = 6878952. Its totient is φ = 1528648.

The previous prime is 3821627. The next prime is 3821633. The reversal of 3821630 is 361283.

3821630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3821627) and next prime (3821633).

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

It is a junction number, because it is equal to n+sod(n) for n = 3821596 and 3821605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191072 + ... + 191091.

It is an arithmetic number, because the mean of its divisors is an integer number (859869).

Almost surely, 2^3821630 is an apocalyptic number.

3821630 is a deficient number, since it is larger than the sum of its proper divisors (3057322).

3821630 is a wasteful number, since it uses less digits than its factorization.

3821630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382170.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 3821630 is about 1954.8989743718. The cubic root of 3821630 is about 156.3445976500.

The spelling of 3821630 in words is "three million, eight hundred twenty-one thousand, six hundred thirty".