6811604 has 6 divisors (see below), whose sum is σ = 11920314. Its totient is φ = 3405800.

The previous prime is 6811603. The next prime is 6811619. The reversal of 6811604 is 4061186.

It can be written as a sum of positive squares in only one way, i.e., 5244100 + 1567504 = 2290^2 + 1252^2 .

It is a super-3 number, since 3×6811604³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6811601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 851447 + ... + 851454.

It is an arithmetic number, because the mean of its divisors is an integer number (1986719).

Almost surely, 2^6811604 is an apocalyptic number.

It is an amenable number.

6811604 is a deficient number, since it is larger than the sum of its proper divisors (5108710).

6811604 is a wasteful number, since it uses less digits than its factorization.

6811604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702905 (or 1702903 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 6811604 is about 2609.9049791132. The cubic root of 6811604 is about 189.5613518880.

The spelling of 6811604 in words is "six million, eight hundred eleven thousand, six hundred four".