320836 has 6 divisors (see below), whose sum is σ = 561470. Its totient is φ = 160416.

The previous prime is 320833. The next prime is 320839. The reversal of 320836 is 638023.

It is an interprime number because it is at equal distance from previous prime (320833) and next prime (320839).

It can be written as a sum of positive squares in only one way, i.e., 202500 + 118336 = 450^2 + 344^2 .

It is not an unprimeable number, because it can be changed into a prime (320833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40101 + ... + 40108.

2³²⁰⁸³⁶ is an apocalyptic number.

It is an amenable number.

320836 is a deficient number, since it is larger than the sum of its proper divisors (240634).

320836 is a wasteful number, since it uses less digits than its factorization.

320836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80213 (or 80211 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 320836 is about 566.4238695535. The cubic root of 320836 is about 68.4585502339.

Adding to 320836 its reverse (638023), we get a palindrome (958859).

It can be divided in two parts, 320 and 836, that added together give a square (1156 = 34²).

The spelling of 320836 in words is "three hundred twenty thousand, eight hundred thirty-six".