3948274591384 has 32 divisors (see below), whose sum is σ = 7838638401600. Its totient is φ = 1857975523840.

The previous prime is 3948274591381. The next prime is 3948274591421. The reversal of 3948274591384 is 4831954728493.

It is a super-3 number, since 3×3948274591384³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3948274591381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7551969 + ... + 8057839.

It is an arithmetic number, because the mean of its divisors is an integer number (244957450050).

Almost surely, 2^{3948274591384} is an apocalyptic number.

3948274591384 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3948274591384 is a deficient number, since it is larger than the sum of its proper divisors (3890363810216).

3948274591384 is a wasteful number, since it uses less digits than its factorization.

3948274591384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563283 (or 563279 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 67.

The spelling of 3948274591384 in words is "three trillion, nine hundred forty-eight billion, two hundred seventy-four million, five hundred ninety-one thousand, three hundred eighty-four".