963969 has 4 divisors (see below), whose sum is σ = 1285296. Its totient is φ = 642644.

The previous prime is 963943. The next prime is 963973. The reversal of 963969 is 969369.

963969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 969369 = 3 ⋅323123.

It is a cyclic number.

It is not a de Polignac number, because 963969 - 2⁷ = 963841 is a prime.

It is a super-2 number, since 2×963969² = 1858472465922, which contains 22 as substring.

It is a D-number.

963969 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 963969.

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, 160659 + ... + 160664.

It is an arithmetic number, because the mean of its divisors is an integer number (321324).

2⁹⁶³⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

963969 is a deficient number, since it is larger than the sum of its proper divisors (321327).

963969 is a wasteful number, since it uses less digits than its factorization.

963969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321326.

The product of its digits is 78732, while the sum is 42.

The square root of 963969 is about 981.8192297974. The cubic root of 963969 is about 98.7842459870.

The spelling of 963969 in words is "nine hundred sixty-three thousand, nine hundred sixty-nine".