6840536 has 8 divisors (see below), whose sum is σ = 12826020. Its totient is φ = 3420264.

The previous prime is 6840527. The next prime is 6840541. The reversal of 6840536 is 6350486.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427526 + ... + 427541.

Almost surely, 2^6840536 is an apocalyptic number.

It is an amenable number.

6840536 is a deficient number, since it is larger than the sum of its proper divisors (5985484).

6840536 is a wasteful number, since it uses less digits than its factorization.

6840536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855073 (or 855069 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 6840536 is about 2615.4418364781. The cubic root of 6840536 is about 189.8293574072.

It can be divided in two parts, 68 and 40536, that added together give a palindrome (40604).

The spelling of 6840536 in words is "six million, eight hundred forty thousand, five hundred thirty-six".