2729830 has 8 divisors (see below), whose sum is σ = 4913712. Its totient is φ = 1091928.

The previous prime is 2729827. The next prime is 2729833. The reversal of 2729830 is 389272.

It is an interprime number because it is at equal distance from previous prime (2729827) and next prime (2729833).

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

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

It is a junction number, because it is equal to n+sod(n) for n = 2729792 and 2729801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729833) 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, 136482 + ... + 136501.

It is an arithmetic number, because the mean of its divisors is an integer number (614214).

2^2729830 is an apocalyptic number.

2729830 is a deficient number, since it is larger than the sum of its proper divisors (2183882).

2729830 is a wasteful number, since it uses less digits than its factorization.

2729830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272990.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2729830 is about 1652.2197190447. The cubic root of 2729830 is about 139.7585975938.

The spelling of 2729830 in words is "two million, seven hundred twenty-nine thousand, eight hundred thirty".