2730830 has 8 divisors (see below), whose sum is σ = 4915512. Its totient is φ = 1092328.

The previous prime is 2730823. The next prime is 2730869. The reversal of 2730830 is 380372.

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

It is a junction number, because it is equal to n+sod(n) for n = 2730796 and 2730805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136532 + ... + 136551.

It is an arithmetic number, because the mean of its divisors is an integer number (614439).

2^2730830 is an apocalyptic number.

2730830 is a deficient number, since it is larger than the sum of its proper divisors (2184682).

2730830 is a wasteful number, since it uses less digits than its factorization.

2730830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273090.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 2730830 is about 1652.5223145241. The cubic root of 2730830 is about 139.7756611149.

The spelling of 2730830 in words is "two million, seven hundred thirty thousand, eight hundred thirty".