2909049 has 16 divisors (see below), whose sum is σ = 4557504. Its totient is φ = 1627200.

The previous prime is 2909047. The next prime is 2909059. The reversal of 2909049 is 9409092.

It is a happy number.

It is not a de Polignac number, because 2909049 - 2¹ = 2909047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

2909049 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2909041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2962 + ... + 3819.

It is an arithmetic number, because the mean of its divisors is an integer number (284844).

2^2909049 is an apocalyptic number.

It is an amenable number.

2909049 is a deficient number, since it is larger than the sum of its proper divisors (1648455).

2909049 is a wasteful number, since it uses less digits than its factorization.

2909049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6808.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 2909049 is about 1705.5934451094. The cubic root of 2909049 is about 142.7524855848.

It can be divided in two parts, 290 and 9049, that added together give a palindrome (9339).

The spelling of 2909049 in words is "two million, nine hundred nine thousand, forty-nine".