6649461 has 48 divisors (see below), whose sum is σ = 12370176. Its totient is φ = 3345408.

The previous prime is 6649453. The next prime is 6649481. The reversal of 6649461 is 1649466.

6649461 is a `hidden beast` number, since 6 + 649 + 4 + 6 + 1 = 666.

It is not a de Polignac number, because 6649461 - 2³ = 6649453 is a prime.

6649461 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6649441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18661 + ... + 19013.

It is an arithmetic number, because the mean of its divisors is an integer number (257712).

Almost surely, 2^6649461 is an apocalyptic number.

It is an amenable number.

6649461 is a deficient number, since it is larger than the sum of its proper divisors (5720715).

6649461 is a wasteful number, since it uses less digits than its factorization.

6649461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 399 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 6649461 is about 2578.6548819103. The cubic root of 6649461 is about 188.0451547640.

The spelling of 6649461 in words is "six million, six hundred forty-nine thousand, four hundred sixty-one".