2719429 has 4 divisors (see below), whose sum is σ = 2740320. Its totient is φ = 2698540.

The previous prime is 2719427. The next prime is 2719433. The reversal of 2719429 is 9249172.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2719429 - 2¹ = 2719427 is a prime.

It is a Duffinian number.

2719429 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2719394 and 2719403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2719421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10249 + ... + 10510.

It is an arithmetic number, because the mean of its divisors is an integer number (685080).

2^2719429 is an apocalyptic number.

It is an amenable number.

2719429 is a deficient number, since it is larger than the sum of its proper divisors (20891).

2719429 is a wasteful number, since it uses less digits than its factorization.

2719429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20890.

The product of its digits is 9072, while the sum is 34.

The square root of 2719429 is about 1649.0691313587. The cubic root of 2719429 is about 139.5808723311.

The spelling of 2719429 in words is "two million, seven hundred nineteen thousand, four hundred twenty-nine".