3948666276398 has 8 divisors (see below), whose sum is σ = 5960725525992. Its totient is φ = 1961757767736.

The previous prime is 3948666276353. The next prime is 3948666276431. The reversal of 3948666276398 is 8936726668493.

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

It is a super-4 number, since 4×3948666276398⁴ (a number of 51 digits) contains 4444 as substring.

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, 6287684840 + ... + 6287685467.

It is an arithmetic number, because the mean of its divisors is an integer number (745090690749).

Almost surely, 2^{3948666276398} is an apocalyptic number.

3948666276398 is a deficient number, since it is larger than the sum of its proper divisors (2012059249594).

3948666276398 is a wasteful number, since it uses less digits than its factorization.

3948666276398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12575370466.

The product of its digits is 3386105856, while the sum is 77.

The spelling of 3948666276398 in words is "three trillion, nine hundred forty-eight billion, six hundred sixty-six million, two hundred seventy-six thousand, three hundred ninety-eight".