2729806 has 8 divisors (see below), whose sum is σ = 4310280. Its totient is φ = 1293048.

The previous prime is 2729803. The next prime is 2729813. The reversal of 2729806 is 6089272.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35881 + ... + 35956.

It is an arithmetic number, because the mean of its divisors is an integer number (538785).

2^2729806 is an apocalyptic number.

2729806 is a deficient number, since it is larger than the sum of its proper divisors (1580474).

2729806 is a wasteful number, since it uses less digits than its factorization.

2729806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71858.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2729806 is about 1652.2124560722. The cubic root of 2729806 is about 139.7581880181.

The spelling of 2729806 in words is "two million, seven hundred twenty-nine thousand, eight hundred six".