3928001379 has 4 divisors (see below), whose sum is σ = 5237335176. Its totient is φ = 2618667584.

The previous prime is 3928001339. The next prime is 3928001381. The reversal of 3928001379 is 9731008293.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3928001379 - 2⁸ = 3928001123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3928001379.

It is not an unprimeable number, because it can be changed into a prime (3928001339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654666894 + ... + 654666899.

It is an arithmetic number, because the mean of its divisors is an integer number (1309333794).

Almost surely, 2^3928001379 is an apocalyptic number.

3928001379 is a deficient number, since it is larger than the sum of its proper divisors (1309333797).

3928001379 is a wasteful number, since it uses less digits than its factorization.

3928001379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309333796.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 3928001379 is about 62673.7694653832. The cubic root of 3928001379 is about 1577.8191054460.

The spelling of 3928001379 in words is "three billion, nine hundred twenty-eight million, one thousand, three hundred seventy-nine".