3913863 has 8 divisors (see below), whose sum is σ = 5266800. Its totient is φ = 2585088.

The previous prime is 3913837. The next prime is 3913907. The reversal of 3913863 is 3683193.

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

It is not a de Polignac number, because 3913863 - 2¹² = 3909767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3913963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5658 + ... + 6311.

It is an arithmetic number, because the mean of its divisors is an integer number (658350).

Almost surely, 2^3913863 is an apocalyptic number.

3913863 is a deficient number, since it is larger than the sum of its proper divisors (1352937).

3913863 is a wasteful number, since it uses less digits than its factorization.

3913863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12081.

The product of its digits is 11664, while the sum is 33.

The square root of 3913863 is about 1978.3485537185. The cubic root of 3913863 is about 157.5923771511.

The spelling of 3913863 in words is "three million, nine hundred thirteen thousand, eight hundred sixty-three".