3858623956 has 12 divisors (see below), whose sum is σ = 7366464000. Its totient is φ = 1753919960.

The previous prime is 3858623947. The next prime is 3858623969. The reversal of 3858623956 is 6593268583.

It is a junction number, because it is equal to n+sod(n) for n = 3858623897 and 3858623906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43847956 + ... + 43848043.

It is an arithmetic number, because the mean of its divisors is an integer number (613872000).

Almost surely, 2^3858623956 is an apocalyptic number.

It is an amenable number.

3858623956 is a deficient number, since it is larger than the sum of its proper divisors (3507840044).

3858623956 is a wasteful number, since it uses less digits than its factorization.

3858623956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87696014 (or 87696012 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 55.

The square root of 3858623956 is about 62117.8231749954. The cubic root of 3858623956 is about 1568.4745831293.

The spelling of 3858623956 in words is "three billion, eight hundred fifty-eight million, six hundred twenty-three thousand, nine hundred fifty-six".