3873765 has 32 divisors (see below), whose sum is σ = 7188480. Its totient is φ = 1744704.

The previous prime is 3873743. The next prime is 3873767. The reversal of 3873765 is 5673783.

It is not a de Polignac number, because 3873765 - 2⁸ = 3873509 is a prime.

It is a d-powerful number, because it can be written as 3¹¹ + 8⁷ + 7⁴ + 3¹³ + 7⁴ + 6³ + 5³ .

3873765 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3873767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8062 + ... + 8528.

It is an arithmetic number, because the mean of its divisors is an integer number (224640).

Almost surely, 2^3873765 is an apocalyptic number.

3873765 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3873765 is a deficient number, since it is larger than the sum of its proper divisors (3314715).

3873765 is a wasteful number, since it uses less digits than its factorization.

3873765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561.

The product of its digits is 105840, while the sum is 39.

The square root of 3873765 is about 1968.1882531912. The cubic root of 3873765 is about 157.0523443730.

The spelling of 3873765 in words is "three million, eight hundred seventy-three thousand, seven hundred sixty-five".