3813635 has 8 divisors (see below), whose sum is σ = 5230176. Its totient is φ = 2615040.

The previous prime is 3813631. The next prime is 3813643. The reversal of 3813635 is 5363183.

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

It is not a de Polignac number, because 3813635 - 2² = 3813631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3813598 and 3813607.

It is not an unprimeable number, because it can be changed into a prime (3813631) 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, 54446 + ... + 54515.

It is an arithmetic number, because the mean of its divisors is an integer number (653772).

Almost surely, 2^3813635 is an apocalyptic number.

3813635 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3813635 is a deficient number, since it is larger than the sum of its proper divisors (1416541).

3813635 is a wasteful number, since it uses less digits than its factorization.

3813635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108973.

The product of its digits is 6480, while the sum is 29.

The square root of 3813635 is about 1952.8530410658. The cubic root of 3813635 is about 156.2354951869.

The spelling of 3813635 in words is "three million, eight hundred thirteen thousand, six hundred thirty-five".