3928354078 has 8 divisors (see below), whose sum is σ = 6428215800. Its totient is φ = 1785615480.

The previous prime is 3928354057. The next prime is 3928354091. The reversal of 3928354078 is 8704538293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89280753 + ... + 89280796.

It is an arithmetic number, because the mean of its divisors is an integer number (803526975).

Almost surely, 2^3928354078 is an apocalyptic number.

3928354078 is a deficient number, since it is larger than the sum of its proper divisors (2499861722).

3928354078 is a wasteful number, since it uses less digits than its factorization.

3928354078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178561562.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The square root of 3928354078 is about 62676.5831710696. The cubic root of 3928354078 is about 1577.8663286614.

The spelling of 3928354078 in words is "three billion, nine hundred twenty-eight million, three hundred fifty-four thousand, seventy-eight".