320779341 has 12 divisors (see below), whose sum is σ = 490603932. Its totient is φ = 201273216.

The previous prime is 320779339. The next prime is 320779357. The reversal of 320779341 is 143977023.

It can be written as a sum of positive squares in 2 ways, for example, as 160123716 + 160655625 = 12654^2 + 12675^2 .

It is not a de Polignac number, because 320779341 - 2¹ = 320779339 is a prime.

It is a super-2 number, since 2×320779341² = 205798771224788562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320779296 and 320779305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320779331) 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, 1048146 + ... + 1048451.

It is an arithmetic number, because the mean of its divisors is an integer number (40883661).

Almost surely, 2^320779341 is an apocalyptic number.

It is an amenable number.

320779341 is a deficient number, since it is larger than the sum of its proper divisors (169824591).

320779341 is a wasteful number, since it uses less digits than its factorization.

320779341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096620 (or 2096617 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 320779341 is about 17910.3138163462. The cubic root of 320779341 is about 684.5452011535.

The spelling of 320779341 in words is "three hundred twenty million, seven hundred seventy-nine thousand, three hundred forty-one".