3128796 has 36 divisors (see below), whose sum is σ = 8628984. Its totient is φ = 948000.

The previous prime is 3128791. The next prime is 3128803. The reversal of 3128796 is 6978213.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3128796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3555 + ... + 4346.

It is an arithmetic number, because the mean of its divisors is an integer number (239694).

Almost surely, 2^3128796 is an apocalyptic number.

3128796 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3128796 is an abundant number, since it is smaller than the sum of its proper divisors (5500188).

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

3128796 is a wasteful number, since it uses less digits than its factorization.

3128796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7922 (or 7917 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 3128796 is about 1768.8402980484. The cubic root of 3128796 is about 146.2600606710.

The spelling of 3128796 in words is "three million, one hundred twenty-eight thousand, seven hundred ninety-six".