3928500052 has 12 divisors (see below), whose sum is σ = 6875994580. Its totient is φ = 1963930176.

The previous prime is 3928500041. The next prime is 3928500053. The reversal of 3928500052 is 2500058293.

It can be written as a sum of positive squares in 2 ways, for example, as 964350916 + 2964149136 = 31054^2 + 54444^2 .

It is a super-2 number, since 2×3928500052² = 30866225317128005408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3928499990 and 3928500017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3928500053) 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, 51177 + ... + 102352.

Almost surely, 2^3928500052 is an apocalyptic number.

It is an amenable number.

3928500052 is a deficient number, since it is larger than the sum of its proper divisors (2947494528).

3928500052 is a wasteful number, since it uses less digits than its factorization.

3928500052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159930 (or 159928 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 3928500052 is about 62677.7476621488. The cubic root of 3928500052 is about 1577.8858724365.

The spelling of 3928500052 in words is "three billion, nine hundred twenty-eight million, five hundred thousand, fifty-two".