3928266694 has 24 divisors (see below), whose sum is σ = 6520298400. Its totient is φ = 1773575760.

The previous prime is 3928266689. The next prime is 3928266697. The reversal of 3928266694 is 4966628293.

It is a happy number.

3928266694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3928266697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18414 + ... + 90529.

It is an arithmetic number, because the mean of its divisors is an integer number (271679100).

Almost surely, 2^3928266694 is an apocalyptic number.

3928266694 is a deficient number, since it is larger than the sum of its proper divisors (2592031706).

3928266694 is a wasteful number, since it uses less digits than its factorization.

3928266694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109116 (or 109105 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 55.

The square root of 3928266694 is about 62675.8860647378. The cubic root of 3928266694 is about 1577.8546289952.

The spelling of 3928266694 in words is "three billion, nine hundred twenty-eight million, two hundred sixty-six thousand, six hundred ninety-four".