2909061 has 16 divisors (see below), whose sum is σ = 4342720. Its totient is φ = 1924560.

The previous prime is 2909059. The next prime is 2909087. The reversal of 2909061 is 1609092.

It is a happy number.

It is not a de Polignac number, because 2909061 - 2¹ = 2909059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

2909061 is a lucky number.

It is a congruent 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, 4071 + ... + 4731.

It is an arithmetic number, because the mean of its divisors is an integer number (271420).

2^2909061 is an apocalyptic number.

It is an amenable number.

2909061 is a deficient number, since it is larger than the sum of its proper divisors (1433659).

2909061 is a wasteful number, since it uses less digits than its factorization.

2909061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 2909061 is about 1705.5969629429. The cubic root of 2909061 is about 142.7526818720.

The spelling of 2909061 in words is "two million, nine hundred nine thousand, sixty-one".