3420478328 has 8 divisors (see below), whose sum is σ = 6413396880. Its totient is φ = 1710239160.

The previous prime is 3420478297. The next prime is 3420478333. The reversal of 3420478328 is 8238740243.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213779888 + ... + 213779903.

It is an arithmetic number, because the mean of its divisors is an integer number (801674610).

Almost surely, 2^3420478328 is an apocalyptic number.

It is an amenable number.

3420478328 is a deficient number, since it is larger than the sum of its proper divisors (2992918552).

3420478328 is a wasteful number, since it uses less digits than its factorization.

3420478328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427559797 (or 427559793 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 41.

The square root of 3420478328 is about 58484.8555439782. The cubic root of 3420478328 is about 1506.7074917367.

The spelling of 3420478328 in words is "three billion, four hundred twenty million, four hundred seventy-eight thousand, three hundred twenty-eight".