3128930 has 16 divisors (see below), whose sum is σ = 6436800. Its totient is φ = 1072752.

The previous prime is 3128927. The next prime is 3128933. The reversal of 3128930 is 398213.

It is an interprime number because it is at equal distance from previous prime (3128927) and next prime (3128933).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3128930.

It is not an unprimeable number, because it can be changed into a prime (3128933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22280 + ... + 22419.

It is an arithmetic number, because the mean of its divisors is an integer number (402300).

Almost surely, 2^3128930 is an apocalyptic number.

3128930 is an abundant number, since it is smaller than the sum of its proper divisors (3307870).

3128930 is a wasteful number, since it uses less digits than its factorization.

3128930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44713.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 3128930 is about 1768.8781755678. The cubic root of 3128930 is about 146.2621486487.

The spelling of 3128930 in words is "three million, one hundred twenty-eight thousand, nine hundred thirty".