2723830 has 8 divisors (see below), whose sum is σ = 4902912. Its totient is φ = 1089528.

The previous prime is 2723827. The next prime is 2723837. The reversal of 2723830 is 383272.

It is a happy number.

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 = 2723795 and 2723804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2723837) 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, 136182 + ... + 136201.

It is an arithmetic number, because the mean of its divisors is an integer number (612864).

2^2723830 is an apocalyptic number.

2723830 is a deficient number, since it is larger than the sum of its proper divisors (2179082).

2723830 is a wasteful number, since it uses less digits than its factorization.

2723830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272390.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2723830 is about 1650.4029810928. The cubic root of 2723830 is about 139.6561288566.

It can be divided in two parts, 2723 and 830, that added together give a palindrome (3553).

The spelling of 2723830 in words is "two million, seven hundred twenty-three thousand, eight hundred thirty".