3928690284 has 24 divisors (see below), whose sum is σ = 9168416880. Its totient is φ = 1309353024.

The previous prime is 3928690279. The next prime is 3928690307. The reversal of 3928690284 is 4820968293.

3928690284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63862 + ... + 109250.

It is an arithmetic number, because the mean of its divisors is an integer number (382017370).

Almost surely, 2^3928690284 is an apocalyptic number.

It is an amenable number.

3928690284 is an abundant number, since it is smaller than the sum of its proper divisors (5239726596).

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

3928690284 is a wasteful number, since it uses less digits than its factorization.

3928690284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52609 (or 52607 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 3928690284 is about 62679.2651839506. The cubic root of 3928690284 is about 1577.9113409815.

The spelling of 3928690284 in words is "three billion, nine hundred twenty-eight million, six hundred ninety thousand, two hundred eighty-four".