6400476 has 18 divisors (see below), whose sum is σ = 16179072. Its totient is φ = 2133480.

The previous prime is 6400453. The next prime is 6400489. The reversal of 6400476 is 6740046.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88860 + ... + 88931.

Almost surely, 2^6400476 is an apocalyptic number.

It is an amenable number.

6400476 is an abundant number, since it is smaller than the sum of its proper divisors (9778596).

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

6400476 is a wasteful number, since it uses less digits than its factorization.

6400476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177801 (or 177796 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 6400476 is about 2529.9162041459. The cubic root of 6400476 is about 185.6681561393.

The spelling of 6400476 in words is "six million, four hundred thousand, four hundred seventy-six".