3806635 has 8 divisors (see below), whose sum is σ = 5220576. Its totient is φ = 2610240.

The previous prime is 3806617. The next prime is 3806639. The reversal of 3806635 is 5366083.

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

It is not a de Polignac number, because 3806635 - 2⁷ = 3806507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3806597 and 3806606.

It is not an unprimeable number, because it can be changed into a prime (3806639) 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, 54346 + ... + 54415.

It is an arithmetic number, because the mean of its divisors is an integer number (652572).

Almost surely, 2^3806635 is an apocalyptic number.

3806635 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3806635 is a deficient number, since it is larger than the sum of its proper divisors (1413941).

3806635 is a wasteful number, since it uses less digits than its factorization.

3806635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108773.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3806635 is about 1951.0599683249. The cubic root of 3806635 is about 156.1398455606.

The spelling of 3806635 in words is "three million, eight hundred six thousand, six hundred thirty-five".