2729286 has 24 divisors (see below), whose sum is σ = 6758544. Its totient is φ = 779760.

The previous prime is 2729261. The next prime is 2729303. The reversal of 2729286 is 6829272.

It is a d-powerful number, because it can be written as 2² + 7² + 2¹⁰ + 9 + 2²⁰ + 8 + 6⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 2729286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10705 + ... + 10956.

It is an arithmetic number, because the mean of its divisors is an integer number (281606).

2^2729286 is an apocalyptic number.

2729286 is an abundant number, since it is smaller than the sum of its proper divisors (4029258).

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

2729286 is a wasteful number, since it uses less digits than its factorization.

2729286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21676 (or 21673 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 2729286 is about 1652.0550838274. The cubic root of 2729286 is about 139.7493132882.

The spelling of 2729286 in words is "two million, seven hundred twenty-nine thousand, two hundred eighty-six".