3928929325 has 6 divisors (see below), whose sum is σ = 4871872394. Its totient is φ = 3143143440.

The previous prime is 3928929317. The next prime is 3928929349. The reversal of 3928929325 is 5239298293.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 11546404 + 3917382921 = 3398^2 + 62589^2 .

It is not a de Polignac number, because 3928929325 - 2³ = 3928929317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78578562 + ... + 78578611.

Almost surely, 2^3928929325 is an apocalyptic number.

It is an amenable number.

3928929325 is a deficient number, since it is larger than the sum of its proper divisors (942943069).

3928929325 is a wasteful number, since it uses less digits than its factorization.

3928929325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157157183 (or 157157178 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 52.

The square root of 3928929325 is about 62681.1720136119. The cubic root of 3928929325 is about 1577.9433429828.

The spelling of 3928929325 in words is "three billion, nine hundred twenty-eight million, nine hundred twenty-nine thousand, three hundred twenty-five".