320097429 has 12 divisors (see below), whose sum is σ = 462705100. Its totient is φ = 213240384.

The previous prime is 320097383. The next prime is 320097431. The reversal of 320097429 is 924790023.

It can be written as a sum of positive squares in 2 ways, for example, as 8398404 + 311699025 = 2898^2 + 17655^2 .

It is a de Polignac number, because none of the positive numbers 2^k-320097429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320097393 and 320097402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320097629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417 + ... + 25305.

Almost surely, 2^320097429 is an apocalyptic number.

It is an amenable number.

320097429 is a deficient number, since it is larger than the sum of its proper divisors (142607671).

320097429 is a wasteful number, since it uses less digits than its factorization.

320097429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26324 (or 26321 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 320097429 is about 17891.2668360851. The cubic root of 320097429 is about 684.0597888129.

The spelling of 320097429 in words is "three hundred twenty million, ninety-seven thousand, four hundred twenty-nine".