330961 has 4 divisors (see below), whose sum is σ = 348400. Its totient is φ = 313524.

The previous prime is 330943. The next prime is 330983. The reversal of 330961 is 169033.

330961 = T₇₈ + T₇₉ + ... + T₁₃₄.

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: 169033 = 43 ⋅3931.

It is a cyclic number.

It is not a de Polignac number, because 330961 - 2¹³ = 322769 is a prime.

It is a Duffinian number.

330961 is a lucky number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (330061) 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, 8691 + ... + 8728.

It is an arithmetic number, because the mean of its divisors is an integer number (87100).

2³³⁰⁹⁶¹ is an apocalyptic number.

It is an amenable number.

330961 is a deficient number, since it is larger than the sum of its proper divisors (17439).

330961 is a wasteful number, since it uses less digits than its factorization.

330961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17438.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 330961 is about 575.2920997198. The cubic root of 330961 is about 69.1712472572.

Adding to 330961 its reverse (169033), we get a palindrome (499994).

The spelling of 330961 in words is "three hundred thirty thousand, nine hundred sixty-one".