3816605 has 16 divisors (see below), whose sum is σ = 5007744. Its totient is φ = 2775360.

The previous prime is 3816601. The next prime is 3816623. The reversal of 3816605 is 5066183.

It is not a de Polignac number, because 3816605 - 2² = 3816601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3816601) 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 15 ways as a sum of consecutive naturals, for example, 4202 + ... + 5028.

It is an arithmetic number, because the mean of its divisors is an integer number (312984).

Almost surely, 2^3816605 is an apocalyptic number.

It is an amenable number.

3816605 is a deficient number, since it is larger than the sum of its proper divisors (1191139).

3816605 is a wasteful number, since it uses less digits than its factorization.

3816605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 3816605 is about 1953.6133189554. The cubic root of 3816605 is about 156.2760425925.

The spelling of 3816605 in words is "three million, eight hundred sixteen thousand, six hundred five".