404950801 has 4 divisors (see below), whose sum is σ = 409500900. Its totient is φ = 400400704.

The previous prime is 404950789. The next prime is 404950813. The reversal of 404950801 is 108059404.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (404950789) and next prime (404950813).

It can be written as a sum of positive squares in 2 ways, for example, as 153760000 + 251190801 = 12400^2 + 15849^2 .

It is a cyclic number.

It is not a de Polignac number, because 404950801 - 2⁹ = 404950289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404950201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2274916 + ... + 2275093.

It is an arithmetic number, because the mean of its divisors is an integer number (102375225).

Almost surely, 2^404950801 is an apocalyptic number.

It is an amenable number.

404950801 is a deficient number, since it is larger than the sum of its proper divisors (4550099).

404950801 is an equidigital number, since it uses as much as digits as its factorization.

404950801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4550098.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 404950801 is about 20123.3894013906. The cubic root of 404950801 is about 739.8336617852.

The spelling of 404950801 in words is "four hundred four million, nine hundred fifty thousand, eight hundred one".