2909434 has 8 divisors (see below), whose sum is σ = 4760928. Its totient is φ = 1322460.

The previous prime is 2909429. The next prime is 2909447. The reversal of 2909434 is 4349092.

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

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2909396 and 2909405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66102 + ... + 66145.

It is an arithmetic number, because the mean of its divisors is an integer number (595116).

2^2909434 is an apocalyptic number.

2909434 is a deficient number, since it is larger than the sum of its proper divisors (1851494).

2909434 is a wasteful number, since it uses less digits than its factorization.

2909434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132260.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2909434 is about 1705.7063053175. The cubic root of 2909434 is about 142.7587828642.

The spelling of 2909434 in words is "two million, nine hundred nine thousand, four hundred thirty-four".