3813629 has 4 divisors (see below), whose sum is σ = 3819840. Its totient is φ = 3807420.

The previous prime is 3813619. The next prime is 3813631. The reversal of 3813629 is 9263183.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9263183 = 47 ⋅197089.

It is a cyclic number.

It is not a de Polignac number, because 3813629 - 2²⁰ = 2765053 is a prime.

It is a super-2 number, since 2×3813629² = 29087532299282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3813595 and 3813604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069 + ... + 3450.

It is an arithmetic number, because the mean of its divisors is an integer number (954960).

Almost surely, 2^3813629 is an apocalyptic number.

It is an amenable number.

3813629 is a deficient number, since it is larger than the sum of its proper divisors (6211).

3813629 is an equidigital number, since it uses as much as digits as its factorization.

3813629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6210.

The product of its digits is 7776, while the sum is 32.

The square root of 3813629 is about 1952.8515048513. The cubic root of 3813629 is about 156.2354132516.

The spelling of 3813629 in words is "three million, eight hundred thirteen thousand, six hundred twenty-nine".