3915663 has 8 divisors (see below), whose sum is σ = 5232000. Its totient is φ = 2604888.

The previous prime is 3915631. The next prime is 3915683. The reversal of 3915663 is 3665193.

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

It is not a de Polignac number, because 3915663 - 2⁵ = 3915631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3915683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 708 + ... + 2886.

It is an arithmetic number, because the mean of its divisors is an integer number (654000).

Almost surely, 2^3915663 is an apocalyptic number.

3915663 is a deficient number, since it is larger than the sum of its proper divisors (1316337).

3915663 is a wasteful number, since it uses less digits than its factorization.

3915663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781.

The product of its digits is 14580, while the sum is 33.

The square root of 3915663 is about 1978.8034263160. The cubic root of 3915663 is about 157.6165325532.

The spelling of 3915663 in words is "three million, nine hundred fifteen thousand, six hundred sixty-three".