2724393 has 8 divisors (see below), whose sum is σ = 4151488. Its totient is φ = 1556784.

The previous prime is 2724389. The next prime is 2724401. The reversal of 2724393 is 3934272.

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

It is not a de Polignac number, because 2724393 - 2² = 2724389 is a prime.

It is a Duffinian number.

It is a Curzon number.

2724393 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2724393.

It is not an unprimeable number, because it can be changed into a prime (2724383) 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, 64846 + ... + 64887.

It is an arithmetic number, because the mean of its divisors is an integer number (518936).

2^2724393 is an apocalyptic number.

It is an amenable number.

2724393 is a deficient number, since it is larger than the sum of its proper divisors (1427095).

2724393 is a wasteful number, since it uses less digits than its factorization.

2724393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129743.

The product of its digits is 9072, while the sum is 30.

The square root of 2724393 is about 1650.5735366835. The cubic root of 2724393 is about 139.6657502334.

The spelling of 2724393 in words is "two million, seven hundred twenty-four thousand, three hundred ninety-three".