2689011 has 32 divisors (see below), whose sum is σ = 4408320. Its totient is φ = 1609632.

The previous prime is 2689007. The next prime is 2689019. The reversal of 2689011 is 1109862.

It is not a de Polignac number, because 2689011 - 2² = 2689007 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16416 + ... + 16578.

It is an arithmetic number, because the mean of its divisors is an integer number (137760).

2^2689011 is an apocalyptic number.

2689011 is a deficient number, since it is larger than the sum of its proper divisors (1719309).

2689011 is a wasteful number, since it uses less digits than its factorization.

2689011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 2689011 is about 1639.8204169969. The cubic root of 2689011 is about 139.0584954703.

The spelling of 2689011 in words is "two million, six hundred eighty-nine thousand, eleven".