3928198020 has 24 divisors (see below), whose sum is σ = 10998954624. Its totient is φ = 1047519456.

The previous prime is 3928198013. The next prime is 3928198063. The reversal of 3928198020 is 208918293.

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, 32734924 + ... + 32735043.

It is an arithmetic number, because the mean of its divisors is an integer number (458289776).

Almost surely, 2^3928198020 is an apocalyptic number.

3928198020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3928198020 is an abundant number, since it is smaller than the sum of its proper divisors (7070756604).

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

3928198020 is a wasteful number, since it uses less digits than its factorization.

3928198020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65469979 (or 65469977 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 3928198020 is about 62675.3382120910. The cubic root of 3928198020 is about 1577.8454342512.

The spelling of 3928198020 in words is "three billion, nine hundred twenty-eight million, one hundred ninety-eight thousand, twenty".