404867066 has 8 divisors (see below), whose sum is σ = 607851540. Its totient is φ = 202249888.

The previous prime is 404867017. The next prime is 404867077. The reversal of 404867066 is 660768404.

It can be written as a sum of positive squares in 2 ways, for example, as 376554025 + 28313041 = 19405^2 + 5321^2 .

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

It is a super-4 number, since 4×404867066⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89051 + ... + 93486.

Almost surely, 2^404867066 is an apocalyptic number.

404867066 is a deficient number, since it is larger than the sum of its proper divisors (202984474).

404867066 is a wasteful number, since it uses less digits than its factorization.

404867066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183648.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 404867066 is about 20121.3087546511. The cubic root of 404867066 is about 739.7826644443.

The spelling of 404867066 in words is "four hundred four million, eight hundred sixty-seven thousand, sixty-six".