3047128 has 16 divisors (see below), whose sum is σ = 6529680. Its totient is φ = 1305888.

The previous prime is 3047123. The next prime is 3047141. The reversal of 3047128 is 8217403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3047123) 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, 27151 + ... + 27262.

It is an arithmetic number, because the mean of its divisors is an integer number (408105).

Almost surely, 2^3047128 is an apocalyptic number.

It is an amenable number.

3047128 is an abundant number, since it is smaller than the sum of its proper divisors (3482552).

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

3047128 is a wasteful number, since it uses less digits than its factorization.

3047128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54426 (or 54422 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 3047128 is about 1745.6024747920. The cubic root of 3047128 is about 144.9762624638.

The spelling of 3047128 in words is "three million, forty-seven thousand, one hundred twenty-eight".