2729823 has 8 divisors (see below), whose sum is σ = 3738288. Its totient is φ = 1770624.

The previous prime is 2729819. The next prime is 2729827. The reversal of 2729823 is 3289272.

It is an interprime number because it is at equal distance from previous prime (2729819) and next prime (2729827).

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

It is not a de Polignac number, because 2729823 - 2² = 2729819 is a prime.

It is a super-2 number, since 2×2729823² = 14903867222658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729827) 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, 12186 + ... + 12407.

It is an arithmetic number, because the mean of its divisors is an integer number (467286).

2^2729823 is an apocalyptic number.

2729823 is a deficient number, since it is larger than the sum of its proper divisors (1008465).

2729823 is a wasteful number, since it uses less digits than its factorization.

2729823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24633.

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

The square root of 2729823 is about 1652.2176006810. The cubic root of 2729823 is about 139.7584781345.

The spelling of 2729823 in words is "two million, seven hundred twenty-nine thousand, eight hundred twenty-three".