3913765 has 8 divisors (see below), whose sum is σ = 4776480. Its totient is φ = 3077712.

The previous prime is 3913747. The next prime is 3913771. The reversal of 3913765 is 5673193.

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

It is a cyclic number.

It is not a de Polignac number, because 3913765 - 2²¹ = 1816613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3913765.

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, 6339 + ... + 6928.

It is an arithmetic number, because the mean of its divisors is an integer number (597060).

Almost surely, 2^3913765 is an apocalyptic number.

It is an amenable number.

3913765 is a deficient number, since it is larger than the sum of its proper divisors (862715).

3913765 is a wasteful number, since it uses less digits than its factorization.

3913765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13331.

The product of its digits is 17010, while the sum is 34.

The square root of 3913765 is about 1978.3237854305. The cubic root of 3913765 is about 157.5910618111.

The spelling of 3913765 in words is "three million, nine hundred thirteen thousand, seven hundred sixty-five".