320433469 has 4 divisors (see below), whose sum is σ = 320729344. Its totient is φ = 320137596.

The previous prime is 320433457. The next prime is 320433473. The reversal of 320433469 is 964334023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 964334023 = 401 ⋅2404823.

It is a cyclic number.

It is not a de Polignac number, because 320433469 - 2⁷ = 320433341 is a prime.

It is a super-2 number, since 2×320433469² = 205355216110747922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320433419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146307 + ... + 148480.

It is an arithmetic number, because the mean of its divisors is an integer number (80182336).

Almost surely, 2^320433469 is an apocalyptic number.

It is an amenable number.

320433469 is a deficient number, since it is larger than the sum of its proper divisors (295875).

320433469 is a wasteful number, since it uses less digits than its factorization.

320433469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295874.

The product of its (nonzero) digits is 46656, while the sum is 34.

The square root of 320433469 is about 17900.6555466553. The cubic root of 320433469 is about 684.2990816421.

The spelling of 320433469 in words is "three hundred twenty million, four hundred thirty-three thousand, four hundred sixty-nine".