404449706 has 8 divisors (see below), whose sum is σ = 606831264. Its totient is φ = 202172620.

The previous prime is 404449693. The next prime is 404449709. The reversal of 404449706 is 607944404.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 404449706.

It is not an unprimeable number, because it can be changed into a prime (404449709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15590 + ... + 32433.

It is an arithmetic number, because the mean of its divisors is an integer number (75853908).

Almost surely, 2^404449706 is an apocalyptic number.

404449706 is a deficient number, since it is larger than the sum of its proper divisors (202381558).

404449706 is a wasteful number, since it uses less digits than its factorization.

404449706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52236.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 404449706 is about 20110.9349857236. The cubic root of 404449706 is about 739.5283736957.

The spelling of 404449706 in words is "four hundred four million, four hundred forty-nine thousand, seven hundred six".