2667429 has 18 divisors (see below), whose sum is σ = 4071366. Its totient is φ = 1682640.

The previous prime is 2667383. The next prime is 2667433. The reversal of 2667429 is 9247662.

It is a happy number.

2667429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2030625 + 636804 = 1425^2 + 798^2 .

It is not a de Polignac number, because 2667429 - 2²⁰ = 1618853 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2667393 and 2667402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2667439) 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 17 ways as a sum of consecutive naturals, for example, 2839 + ... + 3659.

It is an arithmetic number, because the mean of its divisors is an integer number (226187).

2^2667429 is an apocalyptic number.

It is an amenable number.

2667429 is a deficient number, since it is larger than the sum of its proper divisors (1403937).

2667429 is a wasteful number, since it uses less digits than its factorization.

2667429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 843 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 2667429 is about 1633.2265611360. The cubic root of 2667429 is about 138.6854679214.

The spelling of 2667429 in words is "two million, six hundred sixty-seven thousand, four hundred twenty-nine".