3801765 has 16 divisors (see below), whose sum is σ = 6636096. Its totient is φ = 1843200.

The previous prime is 3801757. The next prime is 3801769. The reversal of 3801765 is 5671083.

It is not a de Polignac number, because 3801765 - 2³ = 3801757 is a prime.

3801765 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3801769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11356 + ... + 11685.

It is an arithmetic number, because the mean of its divisors is an integer number (414756).

Almost surely, 2^3801765 is an apocalyptic number.

It is an amenable number.

3801765 is a deficient number, since it is larger than the sum of its proper divisors (2834331).

3801765 is a wasteful number, since it uses less digits than its factorization.

3801765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23060.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 3801765 is about 1949.8115293535. The cubic root of 3801765 is about 156.0732315608.

It can be divided in two parts, 380 and 1765, that added together give a triangular number (2145 = T₆₅).

The spelling of 3801765 in words is "three million, eight hundred one thousand, seven hundred sixty-five".