6140688 has 20 divisors (see below), whose sum is σ = 15863568. Its totient is φ = 2046880.

The previous prime is 6140671. The next prime is 6140707. The reversal of 6140688 is 8860416.

It is a super-2 number, since 2×6140688² = 75416098226688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63918 + ... + 64013.

Almost surely, 2^6140688 is an apocalyptic number.

It is an amenable number.

6140688 is an abundant number, since it is smaller than the sum of its proper divisors (9722880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6140688 is a wasteful number, since it uses less digits than its factorization.

6140688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127942 (or 127936 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 6140688 is about 2478.0411618857. The cubic root of 6140688 is about 183.1213623587.

The spelling of 6140688 in words is "six million, one hundred forty thousand, six hundred eighty-eight".