961969 has 4 divisors (see below), whose sum is σ = 970596. Its totient is φ = 953344.

The previous prime is 961957. The next prime is 961973. The reversal of 961969 is 969169.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 969169 = 281 ⋅3449.

It can be written as a sum of positive squares in 2 ways, for example, as 471969 + 490000 = 687^2 + 700^2 .

It is a cyclic number.

It is not a de Polignac number, because 961969 - 2⁵ = 961937 is a prime.

It is a super-2 number, since 2×961969² = 1850768713922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961069) 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, 4144 + ... + 4369.

It is an arithmetic number, because the mean of its divisors is an integer number (242649).

2⁹⁶¹⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

961969 is a deficient number, since it is larger than the sum of its proper divisors (8627).

961969 is a wasteful number, since it uses less digits than its factorization.

961969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8626.

The product of its digits is 26244, while the sum is 40.

The square root of 961969 is about 980.8001835236. The cubic root of 961969 is about 98.7158809651.

The spelling of 961969 in words is "nine hundred sixty-one thousand, nine hundred sixty-nine".