404894667 has 8 divisors (see below), whose sum is σ = 546364224. Its totient is φ = 266677448.

The previous prime is 404894657. The next prime is 404894681. The reversal of 404894667 is 766498404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404894667 - 2⁶ = 404894603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404894657) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 812793 + ... + 813290.

It is an arithmetic number, because the mean of its divisors is an integer number (68295528).

Almost surely, 2^404894667 is an apocalyptic number.

404894667 is a deficient number, since it is larger than the sum of its proper divisors (141469557).

404894667 is a wasteful number, since it uses less digits than its factorization.

404894667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626169.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 404894667 is about 20121.9946078911. The cubic root of 404894667 is about 739.7994751287.

The spelling of 404894667 in words is "four hundred four million, eight hundred ninety-four thousand, six hundred sixty-seven".