3194128 has 60 divisors (see below), whose sum is σ = 7559040. Its totient is φ = 1280448.

The previous prime is 3194123. The next prime is 3194129. The reversal of 3194128 is 8214913.

It is a happy number.

3194128 is a nontrivial binomial coefficient, being equal to C(2528, 2).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 3194096 and 3194105.

It is not an unprimeable number, because it can be changed into a prime (3194123) 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, 40393 + ... + 40471.

It is an arithmetic number, because the mean of its divisors is an integer number (125984).

Almost surely, 2^3194128 is an apocalyptic number.

3194128 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3194128 is the 2527-th triangular number and also the 1264-th hexagonal number.

3194128 is the 843-rd centered nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3194128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3779520).

3194128 is an abundant number, since it is smaller than the sum of its proper divisors (4364912).

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

3194128 is a wasteful number, since it uses less digits than its factorization.

3194128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 107 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 3194128 is about 1787.2123544783. The cubic root of 3194128 is about 147.2710687855.

The spelling of 3194128 in words is "three million, one hundred ninety-four thousand, one hundred twenty-eight".