2909042 has 4 divisors (see below), whose sum is σ = 4363566. Its totient is φ = 1454520.

The previous prime is 2909041. The next prime is 2909047. The reversal of 2909042 is 2409092.

2909042 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.

It can be written as a sum of positive squares in only one way, i.e., 2374681 + 534361 = 1541^2 + 731^2 .

It is not an unprimeable number, because it can be changed into a prime (2909041) 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 as a sum of consecutive naturals, namely, 727259 + ... + 727262.

2^2909042 is an apocalyptic number.

2909042 is a deficient number, since it is larger than the sum of its proper divisors (1454524).

2909042 is a wasteful number, since it uses less digits than its factorization.

2909042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454523.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2909042 is about 1705.5913930364. The cubic root of 2909042 is about 142.7523710837.

The spelling of 2909042 in words is "two million, nine hundred nine thousand, forty-two".