2905429 has 4 divisors (see below), whose sum is σ = 3031776. Its totient is φ = 2779084.

The previous prime is 2905421. The next prime is 2905433. The reversal of 2905429 is 9245092.

2905429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2905429 - 2³ = 2905421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2905429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2905421) 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 3 ways as a sum of consecutive naturals, for example, 63139 + ... + 63184.

It is an arithmetic number, because the mean of its divisors is an integer number (757944).

2^2905429 is an apocalyptic number.

It is an amenable number.

2905429 is a deficient number, since it is larger than the sum of its proper divisors (126347).

2905429 is a wasteful number, since it uses less digits than its factorization.

2905429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126346.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2905429 is about 1704.5319005522. The cubic root of 2905429 is about 142.6932476118.

The spelling of 2905429 in words is "two million, nine hundred five thousand, four hundred twenty-nine".