6654861 has 12 divisors (see below), whose sum is σ = 9642880. Its totient is φ = 4422600.

The previous prime is 6654859. The next prime is 6654877. The reversal of 6654861 is 1684566.

It is not a de Polignac number, because 6654861 - 2¹ = 6654859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6654821) 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, 2436 + ... + 4386.

Almost surely, 2^6654861 is an apocalyptic number.

It is an amenable number.

6654861 is a deficient number, since it is larger than the sum of its proper divisors (2988019).

6654861 is a wasteful number, since it uses less digits than its factorization.

6654861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336 (or 2333 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 6654861 is about 2579.7017269444. The cubic root of 6654861 is about 188.0960445570.

The spelling of 6654861 in words is "six million, six hundred fifty-four thousand, eight hundred sixty-one".