969439 has 4 divisors (see below), whose sum is σ = 974656. Its totient is φ = 964224.

The previous prime is 969433. The next prime is 969443. The reversal of 969439 is 934969.

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

It is a cyclic number.

It is not a de Polignac number, because 969439 - 2³ = 969431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969431) 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, 2319 + ... + 2704.

It is an arithmetic number, because the mean of its divisors is an integer number (243664).

2⁹⁶⁹⁴³⁹ is an apocalyptic number.

969439 is a deficient number, since it is larger than the sum of its proper divisors (5217).

969439 is a wasteful number, since it uses less digits than its factorization.

969439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5216.

The product of its digits is 52488, while the sum is 40.

The square root of 969439 is about 984.6009343892. The cubic root of 969439 is about 98.9707426383.

The spelling of 969439 in words is "nine hundred sixty-nine thousand, four hundred thirty-nine".