3948655822 has 16 divisors (see below), whose sum is σ = 5944171392. Its totient is φ = 1967276800.

The previous prime is 3948655819. The next prime is 3948655849. The reversal of 3948655822 is 2285568493.

It is a super-2 number, since 2×3948655822² = 31183765601228991368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3948655822.

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, 954723 + ... + 958849.

It is an arithmetic number, because the mean of its divisors is an integer number (371510712).

Almost surely, 2^3948655822 is an apocalyptic number.

3948655822 is a deficient number, since it is larger than the sum of its proper divisors (1995515570).

3948655822 is a wasteful number, since it uses less digits than its factorization.

3948655822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5723.

The product of its digits is 4147200, while the sum is 52.

The square root of 3948655822 is about 62838.3308339743. The cubic root of 3948655822 is about 1580.5797986936.

The spelling of 3948655822 in words is "three billion, nine hundred forty-eight million, six hundred fifty-five thousand, eight hundred twenty-two".