404134366 has 4 divisors (see below), whose sum is σ = 606201552. Its totient is φ = 202067182.

The previous prime is 404134327. The next prime is 404134373. The reversal of 404134366 is 663431404.

It is a happy number.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101033590 + ... + 101033593.

It is an arithmetic number, because the mean of its divisors is an integer number (151550388).

Almost surely, 2^404134366 is an apocalyptic number.

404134366 is a deficient number, since it is larger than the sum of its proper divisors (202067186).

404134366 is a wasteful number, since it uses less digits than its factorization.

404134366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202067185.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 404134366 is about 20103.0934435474. The cubic root of 404134366 is about 739.3361260501.

The spelling of 404134366 in words is "four hundred four million, one hundred thirty-four thousand, three hundred sixty-six".