3928426842 has 16 divisors (see below), whose sum is σ = 7865161632. Its totient is φ = 1308090960.

The previous prime is 3928426837. The next prime is 3928426877. The reversal of 3928426842 is 2486248293.

It is a junction number, because it is equal to n+sod(n) for n = 3928426791 and 3928426800.

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, 340009 + ... + 351372.

It is an arithmetic number, because the mean of its divisors is an integer number (491572602).

Almost surely, 2^3928426842 is an apocalyptic number.

3928426842 is an abundant number, since it is smaller than the sum of its proper divisors (3936734790).

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

3928426842 is a wasteful number, since it uses less digits than its factorization.

3928426842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692333.

The product of its digits is 1327104, while the sum is 48.

The square root of 3928426842 is about 62677.1636403563. The cubic root of 3928426842 is about 1577.8760707530.

The spelling of 3928426842 in words is "three billion, nine hundred twenty-eight million, four hundred twenty-six thousand, eight hundred forty-two".