2788129 has 8 divisors (see below), whose sum is σ = 2927232. Its totient is φ = 2650560.

The previous prime is 2788091. The next prime is 2788133. The reversal of 2788129 is 9218872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2788129 - 2¹¹ = 2786081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2788199) 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, 5292 + ... + 5794.

It is an arithmetic number, because the mean of its divisors is an integer number (365904).

2^2788129 is an apocalyptic number.

It is an amenable number.

2788129 is a deficient number, since it is larger than the sum of its proper divisors (139103).

2788129 is a wasteful number, since it uses less digits than its factorization.

2788129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767.

The product of its digits is 16128, while the sum is 37.

The square root of 2788129 is about 1669.7691457204. The cubic root of 2788129 is about 140.7465056178.

The spelling of 2788129 in words is "two million, seven hundred eighty-eight thousand, one hundred twenty-nine".