6542936 has 8 divisors (see below), whose sum is σ = 12268020. Its totient is φ = 3271464.

The previous prime is 6542933. The next prime is 6542959. The reversal of 6542936 is 6392456.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 6542896 and 6542905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6542933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408926 + ... + 408941.

Almost surely, 2^6542936 is an apocalyptic number.

It is an amenable number.

6542936 is a deficient number, since it is larger than the sum of its proper divisors (5725084).

6542936 is a wasteful number, since it uses less digits than its factorization.

6542936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817873 (or 817869 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 6542936 is about 2557.9163395232. The cubic root of 6542936 is about 187.0355771291.

Subtracting from 6542936 its product of digits (38880), we obtain a palindrome (6504056).

The spelling of 6542936 in words is "six million, five hundred forty-two thousand, nine hundred thirty-six".