3128670 has 24 divisors (see below), whose sum is σ = 8134776. Its totient is φ = 834288.

The previous prime is 3128659. The next prime is 3128687. The reversal of 3128670 is 768213.

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, 17292 + ... + 17471.

It is an arithmetic number, because the mean of its divisors is an integer number (338949).

Almost surely, 2^3128670 is an apocalyptic number.

3128670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3128670 is an abundant number, since it is smaller than the sum of its proper divisors (5006106).

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

3128670 is a wasteful number, since it uses less digits than its factorization.

3128670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34776 (or 34773 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 3128670 is about 1768.8046811336. The cubic root of 3128670 is about 146.2580972944.

The spelling of 3128670 in words is "three million, one hundred twenty-eight thousand, six hundred seventy".