3420328047 has 4 divisors (see below), whose sum is σ = 4560437400. Its totient is φ = 2280218696.

The previous prime is 3420328031. The next prime is 3420328061. The reversal of 3420328047 is 7408230243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3420328047 - 2⁴ = 3420328031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3420327999 and 3420328017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420328027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570054672 + ... + 570054677.

It is an arithmetic number, because the mean of its divisors is an integer number (1140109350).

Almost surely, 2^3420328047 is an apocalyptic number.

3420328047 is a deficient number, since it is larger than the sum of its proper divisors (1140109353).

3420328047 is a wasteful number, since it uses less digits than its factorization.

3420328047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140109352.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 3420328047 is about 58483.5707442697. The cubic root of 3420328047 is about 1506.6854253468.

The spelling of 3420328047 in words is "three billion, four hundred twenty million, three hundred twenty-eight thousand, forty-seven".