2654861 has 12 divisors (see below), whose sum is σ = 3002076. Its totient is φ = 2344320.

The previous prime is 2654857. The next prime is 2654879. The reversal of 2654861 is 1684562.

It can be written as a sum of positive squares in 2 ways, for example, as 2044900 + 609961 = 1430^2 + 781^2 .

It is not a de Polignac number, because 2654861 - 2² = 2654857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2654801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4181 + ... + 4773.

It is an arithmetic number, because the mean of its divisors is an integer number (250173).

2^2654861 is an apocalyptic number.

It is an amenable number.

2654861 is a deficient number, since it is larger than the sum of its proper divisors (347215).

2654861 is a wasteful number, since it uses less digits than its factorization.

2654861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 641 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 2654861 is about 1629.3744198311. The cubic root of 2654861 is about 138.4673123344.

Subtracting from 2654861 its reverse (1684562), we obtain a cube (970299 = 99³).

The spelling of 2654861 in words is "two million, six hundred fifty-four thousand, eight hundred sixty-one".