320038 has 4 divisors (see below), whose sum is σ = 480060. Its totient is φ = 160018.

The previous prime is 320027. The next prime is 320039. The reversal of 320038 is 830023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 830023 = 179 ⋅4637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320039) by changing a digit.

320038 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80008 + ... + 80011.

It is an arithmetic number, because the mean of its divisors is an integer number (120015).

2³²⁰⁰³⁸ is an apocalyptic number.

320038 is a deficient number, since it is larger than the sum of its proper divisors (160022).

320038 is a wasteful number, since it uses less digits than its factorization.

320038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160021.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 320038 is about 565.7190115243. The cubic root of 320038 is about 68.4017452218.

The spelling of 320038 in words is "three hundred twenty thousand, thirty-eight".