320402411 has 16 divisors (see below), whose sum is σ = 379680000. Its totient is φ = 264545568.

The previous prime is 320402393. The next prime is 320402419. The reversal of 320402411 is 114204023.

It is not a de Polignac number, because 320402411 - 2¹⁰ = 320401387 is a prime.

It is a super-2 number, since 2×320402411² = 205315409949225842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320402411.

It is not an unprimeable number, because it can be changed into a prime (320402419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99716 + ... + 102878.

It is an arithmetic number, because the mean of its divisors is an integer number (23730000).

Almost surely, 2^320402411 is an apocalyptic number.

320402411 is a deficient number, since it is larger than the sum of its proper divisors (59277589).

320402411 is a wasteful number, since it uses less digits than its factorization.

320402411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 320402411 is about 17899.7880155045. The cubic root of 320402411 is about 684.2769723749.

Adding to 320402411 its reverse (114204023), we get a palindrome (434606434).

The spelling of 320402411 in words is "three hundred twenty million, four hundred two thousand, four hundred eleven".