2654691 has 16 divisors (see below), whose sum is σ = 3902976. Its totient is φ = 1594656.

The previous prime is 2654677. The next prime is 2654693. The reversal of 2654691 is 1964562.

It is not a de Polignac number, because 2654691 - 2¹⁵ = 2621923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2654693) 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, 886 + ... + 2468.

It is an arithmetic number, because the mean of its divisors is an integer number (243936).

2^2654691 is an apocalyptic number.

2654691 is a deficient number, since it is larger than the sum of its proper divisors (1248285).

2654691 is a wasteful number, since it uses less digits than its factorization.

2654691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642.

The product of its digits is 12960, while the sum is 33.

The square root of 2654691 is about 1629.3222517354. The cubic root of 2654691 is about 138.4643567565.

The spelling of 2654691 in words is "two million, six hundred fifty-four thousand, six hundred ninety-one".