3783965 has 16 divisors (see below), whose sum is σ = 4700160. Its totient is φ = 2923200.

The previous prime is 3783961. The next prime is 3783971. The reversal of 3783965 is 5693873.

It is not a de Polignac number, because 3783965 - 2² = 3783961 is a prime.

It is a super-2 number, since 2×3783965² = 28636782242450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3783961) 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, 29732 + ... + 29858.

It is an arithmetic number, because the mean of its divisors is an integer number (293760).

Almost surely, 2^3783965 is an apocalyptic number.

It is an amenable number.

3783965 is a deficient number, since it is larger than the sum of its proper divisors (916195).

3783965 is a wasteful number, since it uses less digits than its factorization.

3783965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292.

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

The square root of 3783965 is about 1945.2416302352. The cubic root of 3783965 is about 155.8292702637.

The spelling of 3783965 in words is "three million, seven hundred eighty-three thousand, nine hundred sixty-five".