2729238 has 16 divisors (see below), whose sum is σ = 5488560. Its totient is φ = 904736.

The previous prime is 2729227. The next prime is 2729239. The reversal of 2729238 is 8329272.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2729199 and 2729208.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 28 + ... + 2336.

It is an arithmetic number, because the mean of its divisors is an integer number (343035).

2^2729238 is an apocalyptic number.

2729238 is an abundant number, since it is smaller than the sum of its proper divisors (2759322).

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

2729238 is a wasteful number, since it uses less digits than its factorization.

2729238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511.

The product of its digits is 12096, while the sum is 33.

The square root of 2729238 is about 1652.0405564029. The cubic root of 2729238 is about 139.7484940255.

The spelling of 2729238 in words is "two million, seven hundred twenty-nine thousand, two hundred thirty-eight".