3948019394 has 8 divisors (see below), whose sum is σ = 6460395408. Its totient is φ = 1794554260.

The previous prime is 3948019393. The next prime is 3948019403. The reversal of 3948019394 is 4939108493.

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

It is a super-3 number, since 3×3948019394³ (a number of 30 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3948019393) 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 3 ways as a sum of consecutive naturals, for example, 89727692 + ... + 89727735.

It is an arithmetic number, because the mean of its divisors is an integer number (807549426).

Almost surely, 2^3948019394 is an apocalyptic number.

3948019394 is a deficient number, since it is larger than the sum of its proper divisors (2512376014).

3948019394 is a wasteful number, since it uses less digits than its factorization.

3948019394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179455440.

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 3948019394 is about 62833.2666188859. The cubic root of 3948019394 is about 1580.4948770279.

The spelling of 3948019394 in words is "three billion, nine hundred forty-eight million, nineteen thousand, three hundred ninety-four".