2729289 has 16 divisors (see below), whose sum is σ = 3753792. Its totient is φ = 1763328.

The previous prime is 2729261. The next prime is 2729303. The reversal of 2729289 is 9829272.

It is not a de Polignac number, because 2729289 - 2⁹ = 2728777 is a prime.

2729289 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2729239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24097 + ... + 24209.

It is an arithmetic number, because the mean of its divisors is an integer number (234612).

2^2729289 is an apocalyptic number.

It is an amenable number.

2729289 is a deficient number, since it is larger than the sum of its proper divisors (1024503).

2729289 is a wasteful number, since it uses less digits than its factorization.

2729289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296.

The product of its digits is 36288, while the sum is 39.

The square root of 2729289 is about 1652.0559917872. The cubic root of 2729289 is about 139.7493644918.

The spelling of 2729289 in words is "two million, seven hundred twenty-nine thousand, two hundred eighty-nine".