6493136 has 80 divisors (see below), whose sum is σ = 14999040. Its totient is φ = 2695680.

The previous prime is 6493087. The next prime is 6493139. The reversal of 6493136 is 6313946.

It is a happy number.

It is a super-2 number, since 2×6493136² = 84321630228992, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6493139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122486 + ... + 122538.

It is an arithmetic number, because the mean of its divisors is an integer number (187488).

Almost surely, 2^6493136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6493136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7499520).

6493136 is an abundant number, since it is smaller than the sum of its proper divisors (8505904).

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

6493136 is a wasteful number, since it uses less digits than its factorization.

6493136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 118 counting only the distinct ones).

The product of its digits is 11664, while the sum is 32.

The square root of 6493136 is about 2548.1632600758. The cubic root of 6493136 is about 186.5598425073.

The spelling of 6493136 in words is "six million, four hundred ninety-three thousand, one hundred thirty-six".