963939 has 4 divisors (see below), whose sum is σ = 1285256. Its totient is φ = 642624.

The previous prime is 963913. The next prime is 963943. The reversal of 963939 is 939369.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 963939 - 2⁷ = 963811 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 963897 and 963906.

It is not an unprimeable number, because it can be changed into a prime (963979) 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, 160654 + ... + 160659.

It is an arithmetic number, because the mean of its divisors is an integer number (321314).

2⁹⁶³⁹³⁹ is an apocalyptic number.

963939 is a deficient number, since it is larger than the sum of its proper divisors (321317).

963939 is a wasteful number, since it uses less digits than its factorization.

963939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321316.

The product of its digits is 39366, while the sum is 39.

The square root of 963939 is about 981.8039519171. The cubic root of 963939 is about 98.7832212105.

The spelling of 963939 in words is "nine hundred sixty-three thousand, nine hundred thirty-nine".