3948863 has 4 divisors (see below), whose sum is σ = 3953040. Its totient is φ = 3944688.

The previous prime is 3948859. The next prime is 3948881. The reversal of 3948863 is 3688493.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3688493 = 37 ⋅99689.

It is a cyclic number.

It is not a de Polignac number, because 3948863 - 2² = 3948859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3948863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3948803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83 + ... + 2811.

It is an arithmetic number, because the mean of its divisors is an integer number (988260).

Almost surely, 2^3948863 is an apocalyptic number.

3948863 is a deficient number, since it is larger than the sum of its proper divisors (4177).

3948863 is a wasteful number, since it uses less digits than its factorization.

3948863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176.

The product of its digits is 124416, while the sum is 41.

The square root of 3948863 is about 1987.1746274548. The cubic root of 3948863 is about 158.0607441487.

The spelling of 3948863 in words is "three million, nine hundred forty-eight thousand, eight hundred sixty-three".