4136805 has 16 divisors (see below), whose sum is σ = 7354560. Its totient is φ = 2206224.

The previous prime is 4136773. The next prime is 4136819. The reversal of 4136805 is 5086314.

It is not a de Polignac number, because 4136805 - 2⁵ = 4136773 is a prime.

It is a super-2 number, since 2×4136805² = 34226311216050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

4136805 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15187 + ... + 15456.

It is an arithmetic number, because the mean of its divisors is an integer number (459660).

Almost surely, 2^4136805 is an apocalyptic number.

4136805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4136805 is a deficient number, since it is larger than the sum of its proper divisors (3217755).

4136805 is a wasteful number, since it uses less digits than its factorization.

4136805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30657 (or 30651 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 4136805 is about 2033.9137149840. The cubic root of 4136805 is about 160.5295604563.

The spelling of 4136805 in words is "four million, one hundred thirty-six thousand, eight hundred five".