3128950 has 24 divisors (see below), whose sum is σ = 6350040. Its totient is φ = 1137600.

The previous prime is 3128941. The next prime is 3128987. The reversal of 3128950 is 598213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2295 + ... + 3394.

It is an arithmetic number, because the mean of its divisors is an integer number (264585).

Almost surely, 2^3128950 is an apocalyptic number.

3128950 is an abundant number, since it is smaller than the sum of its proper divisors (3221090).

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

3128950 is a wasteful number, since it uses less digits than its factorization.

3128950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5712 (or 5707 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 3128950 is about 1768.8838288593. The cubic root of 3128950 is about 146.2624602820.

The spelling of 3128950 in words is "three million, one hundred twenty-eight thousand, nine hundred fifty".