2543929 has 8 divisors (see below), whose sum is σ = 2695680. Its totient is φ = 2394000.

The previous prime is 2543921. The next prime is 2543939. The reversal of 2543929 is 9293452.

2543929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2543929 - 2³ = 2543921 is a prime.

It is a Duffinian number.

2543929 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2543894 and 2543903.

It is not an unprimeable number, because it can be changed into a prime (2543921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3279 + ... + 3979.

It is an arithmetic number, because the mean of its divisors is an integer number (336960).

2^2543929 is an apocalyptic number.

It is an amenable number.

2543929 is a deficient number, since it is larger than the sum of its proper divisors (151751).

2543929 is a wasteful number, since it uses less digits than its factorization.

2543929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911.

The product of its digits is 19440, while the sum is 34.

The square root of 2543929 is about 1594.9699056722. The cubic root of 2543929 is about 136.5112139526.

The spelling of 2543929 in words is "two million, five hundred forty-three thousand, nine hundred twenty-nine".