3930734928 has 20 divisors (see below), whose sum is σ = 10154398688. Its totient is φ = 1310244960.

The previous prime is 3930734921. The next prime is 3930734933. The reversal of 3930734928 is 8294370393.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 81890311 = 3930734928 / (3 + 9 + 3 + 0 + 7 + 3 + 4 + 9 + 2 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3930734921) 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, 40945108 + ... + 40945203.

Almost surely, 2^3930734928 is an apocalyptic number.

It is an amenable number.

3930734928 is an abundant number, since it is smaller than the sum of its proper divisors (6223663760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3930734928 is a wasteful number, since it uses less digits than its factorization.

3930734928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81890322 (or 81890316 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 48.

The square root of 3930734928 is about 62695.5734322607. The cubic root of 3930734928 is about 1578.1850290889.

The spelling of 3930734928 in words is "three billion, nine hundred thirty million, seven hundred thirty-four thousand, nine hundred twenty-eight".