6140656 has 10 divisors (see below), whose sum is σ = 11897552. Its totient is φ = 3070320.

The previous prime is 6140653. The next prime is 6140657. The reversal of 6140656 is 6560416.

It is a super-2 number, since 2×6140656² = 75415312220672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6140653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191880 + ... + 191911.

Almost surely, 2^6140656 is an apocalyptic number.

It is an amenable number.

6140656 is a deficient number, since it is larger than the sum of its proper divisors (5756896).

6140656 is a wasteful number, since it uses less digits than its factorization.

6140656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383799 (or 383793 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 6140656 is about 2478.0347051646. The cubic root of 6140656 is about 183.1210442676.

The spelling of 6140656 in words is "six million, one hundred forty thousand, six hundred fifty-six".