6655404 has 24 divisors (see below), whose sum is σ = 17747968. Its totient is φ = 1901520.

The previous prime is 6655403. The next prime is 6655409. The reversal of 6655404 is 4045566.

It is not an unprimeable number, because it can be changed into a prime (6655403) 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, 39532 + ... + 39699.

Almost surely, 2^6655404 is an apocalyptic number.

It is an amenable number.

6655404 is an abundant number, since it is smaller than the sum of its proper divisors (11092564).

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

6655404 is a wasteful number, since it uses less digits than its factorization.

6655404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79245 (or 79243 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 6655404 is about 2579.8069695231. The cubic root of 6655404 is about 188.1011602849.

The spelling of 6655404 in words is "six million, six hundred fifty-five thousand, four hundred four".