2909629 has 8 divisors (see below), whose sum is σ = 3068928. Its totient is φ = 2754480.

The previous prime is 2909623. The next prime is 2909633. The reversal of 2909629 is 9269092.

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

It is a cyclic number.

It is not a de Polignac number, because 2909629 - 2⁵ = 2909597 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2909623) 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 7 ways as a sum of consecutive naturals, for example, 459 + ... + 2455.

It is an arithmetic number, because the mean of its divisors is an integer number (383616).

2^2909629 is an apocalyptic number.

It is an amenable number.

2909629 is a deficient number, since it is larger than the sum of its proper divisors (159299).

2909629 is a wasteful number, since it uses less digits than its factorization.

2909629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 2909629 is about 1705.7634654312. The cubic root of 2909629 is about 142.7619721833.

The spelling of 2909629 in words is "two million, nine hundred nine thousand, six hundred twenty-nine".