6195640 has 32 divisors (see below), whose sum is σ = 15208560. Its totient is φ = 2252800.

The previous prime is 6195619. The next prime is 6195641. The reversal of 6195640 is 465916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6195641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6601 + ... + 7480.

Almost surely, 2^6195640 is an apocalyptic number.

It is an amenable number.

6195640 is an abundant number, since it is smaller than the sum of its proper divisors (9012920).

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

6195640 is a wasteful number, since it uses less digits than its factorization.

6195640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14103 (or 14099 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 6195640 is about 2489.1042565550. The cubic root of 6195640 is about 183.6659819204.

The spelling of 6195640 in words is "six million, one hundred ninety-five thousand, six hundred forty".