3928166744 has 32 divisors (see below), whose sum is σ = 7835583600. Its totient is φ = 1839774720.

The previous prime is 3928166731. The next prime is 3928166747. The reversal of 3928166744 is 4476618293.

It is a junction number, because it is equal to n+sod(n) for n = 3928166692 and 3928166701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3928166747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39749 + ... + 97140.

Almost surely, 2^3928166744 is an apocalyptic number.

3928166744 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3928166744 is a deficient number, since it is larger than the sum of its proper divisors (3907416856).

3928166744 is a wasteful number, since it uses less digits than its factorization.

3928166744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137123 (or 137119 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 50.

The square root of 3928166744 is about 62675.0887035671. The cubic root of 3928166744 is about 1577.8412466801.

The spelling of 3928166744 in words is "three billion, nine hundred twenty-eight million, one hundred sixty-six thousand, seven hundred forty-four".