321116469 has 16 divisors (see below), whose sum is σ = 440712384. Its totient is φ = 207849600.

The previous prime is 321116447. The next prime is 321116483. The reversal of 321116469 is 964611123.

It is not a de Polignac number, because 321116469 - 2⁵ = 321116437 is a prime.

It is a super-2 number, since 2×321116469² = 206231573326055922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321116489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19767 + ... + 32139.

It is an arithmetic number, because the mean of its divisors is an integer number (27544524).

Almost surely, 2^321116469 is an apocalyptic number.

It is an amenable number.

321116469 is a deficient number, since it is larger than the sum of its proper divisors (119595915).

321116469 is a wasteful number, since it uses less digits than its factorization.

321116469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12628.

The product of its digits is 7776, while the sum is 33.

The square root of 321116469 is about 17919.7229052237. The cubic root of 321116469 is about 684.7849283068.

The spelling of 321116469 in words is "three hundred twenty-one million, one hundred sixteen thousand, four hundred sixty-nine".