3958238456386 has 16 divisors (see below), whose sum is σ = 6286688363520. Its totient is φ = 1862678422080.

The previous prime is 3958238456363. The next prime is 3958238456401. The reversal of 3958238456386 is 6836548328593.

It is a super-2 number, since 2×3958238456386² (a number of 26 digits) contains 22 as substring.

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, 2434255 + ... + 3720493.

It is an arithmetic number, because the mean of its divisors is an integer number (392918022720).

Almost surely, 2^{3958238456386} is an apocalyptic number.

3958238456386 is a deficient number, since it is larger than the sum of its proper divisors (2328449907134).

3958238456386 is a wasteful number, since it uses less digits than its factorization.

3958238456386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376769.

The product of its digits is 895795200, while the sum is 70.

The spelling of 3958238456386 in words is "three trillion, nine hundred fifty-eight billion, two hundred thirty-eight million, four hundred fifty-six thousand, three hundred eighty-six".