404464406 has 4 divisors (see below), whose sum is σ = 606696612. Its totient is φ = 202232202.

The previous prime is 404464399. The next prime is 404464433. The reversal of 404464406 is 604464404.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101116100 + ... + 101116103.

It is an arithmetic number, because the mean of its divisors is an integer number (151674153).

Almost surely, 2^404464406 is an apocalyptic number.

404464406 is a deficient number, since it is larger than the sum of its proper divisors (202232206).

404464406 is a wasteful number, since it uses less digits than its factorization.

404464406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202232205.

The product of its (nonzero) digits is 36864, while the sum is 32.

The square root of 404464406 is about 20111.3004552167. The cubic root of 404464406 is about 739.5373331413.

The spelling of 404464406 in words is "four hundred four million, four hundred sixty-four thousand, four hundred six".