404302213 has 8 divisors (see below), whose sum is σ = 467627328. Its totient is φ = 342369024.

The previous prime is 404302201. The next prime is 404302229. The reversal of 404302213 is 312203404.

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

It is not a de Polignac number, because 404302213 - 2⁵ = 404302181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404303213) 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 7 ways as a sum of consecutive naturals, for example, 347356 + ... + 348517.

It is an arithmetic number, because the mean of its divisors is an integer number (58453416).

Almost surely, 2^404302213 is an apocalyptic number.

It is an amenable number.

404302213 is a deficient number, since it is larger than the sum of its proper divisors (63325115).

404302213 is an equidigital number, since it uses as much as digits as its factorization.

404302213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695963.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 404302213 is about 20107.2676661947. The cubic root of 404302213 is about 739.4384667443.

Adding to 404302213 its reverse (312203404), we get a palindrome (716505617).

The spelling of 404302213 in words is "four hundred four million, three hundred two thousand, two hundred thirteen".