404530413 has 8 divisors (see below), whose sum is σ = 616427328. Its totient is φ = 231160224.

The previous prime is 404530391. The next prime is 404530421. The reversal of 404530413 is 314035404.

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

It is not a de Polignac number, because 404530413 - 2¹⁸ = 404268269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404530493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9631656 + ... + 9631697.

It is an arithmetic number, because the mean of its divisors is an integer number (77053416).

Almost surely, 2^404530413 is an apocalyptic number.

It is an amenable number.

404530413 is a deficient number, since it is larger than the sum of its proper divisors (211896915).

404530413 is a wasteful number, since it uses less digits than its factorization.

404530413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19263363.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 404530413 is about 20112.9414308301. The cubic root of 404530413 is about 739.5775608142.

Adding to 404530413 its reverse (314035404), we get a palindrome (718565817).

The spelling of 404530413 in words is "four hundred four million, five hundred thirty thousand, four hundred thirteen".