3128297244 has 12 divisors (see below), whose sum is σ = 7299360264. Its totient is φ = 1042765744.

The previous prime is 3128297231. The next prime is 3128297269. The reversal of 3128297244 is 4427928213.

3128297244 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3128297196 and 3128297205.

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, 130345707 + ... + 130345730.

It is an arithmetic number, because the mean of its divisors is an integer number (608280022).

Almost surely, 2^3128297244 is an apocalyptic number.

It is an amenable number.

3128297244 is an abundant number, since it is smaller than the sum of its proper divisors (4171063020).

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

3128297244 is a wasteful number, since it uses less digits than its factorization.

3128297244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260691444 (or 260691442 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 3128297244 is about 55931.1831092460. The cubic root of 3128297244 is about 1462.5228856964.

The spelling of 3128297244 in words is "three billion, one hundred twenty-eight million, two hundred ninety-seven thousand, two hundred forty-four".