2429779 has 4 divisors (see below), whose sum is σ = 2650680. Its totient is φ = 2208880.

The previous prime is 2429773. The next prime is 2429809. The reversal of 2429779 is 9779242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2429779 - 2³ = 2429771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2429771) 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, 110434 + ... + 110455.

It is an arithmetic number, because the mean of its divisors is an integer number (662670).

2^2429779 is an apocalyptic number.

2429779 is a deficient number, since it is larger than the sum of its proper divisors (220901).

2429779 is a wasteful number, since it uses less digits than its factorization.

2429779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220900.

The product of its digits is 63504, while the sum is 40.

The square root of 2429779 is about 1558.7748394172. The cubic root of 2429779 is about 134.4380665923.

The spelling of 2429779 in words is "two million, four hundred twenty-nine thousand, seven hundred seventy-nine".