3983765 has 8 divisors (see below), whose sum is σ = 4897368. Its totient is φ = 3109120.

The previous prime is 3983747. The next prime is 3983773. The reversal of 3983765 is 5673893.

It can be written as a sum of positive squares in 4 ways, for example, as 165649 + 3818116 = 407^2 + 1954^2 .

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

It is not a de Polignac number, because 3983765 - 2⁸ = 3983509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a d-powerful number, because it can be written as 3³ + 9⁶ + 8⁷ + 3¹² + 7⁷ + 6² + 5³ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9512 + ... + 9921.

It is an arithmetic number, because the mean of its divisors is an integer number (612171).

Almost surely, 2^3983765 is an apocalyptic number.

It is an amenable number.

3983765 is a deficient number, since it is larger than the sum of its proper divisors (913603).

3983765 is a wasteful number, since it uses less digits than its factorization.

3983765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19479.

The product of its digits is 136080, while the sum is 41.

The square root of 3983765 is about 1995.9371232581. The cubic root of 3983765 is about 158.5250518506.

The spelling of 3983765 in words is "three million, nine hundred eighty-three thousand, seven hundred sixty-five".