969409 has 8 divisors (see below), whose sum is σ = 1122560. Its totient is φ = 819936.

The previous prime is 969407. The next prime is 969421. The reversal of 969409 is 904969.

969409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 969409 - 2¹ = 969407 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 (969403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324 + ... + 1429.

It is an arithmetic number, because the mean of its divisors is an integer number (140320).

2⁹⁶⁹⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

969409 is a deficient number, since it is larger than the sum of its proper divisors (153151).

969409 is a wasteful number, since it uses less digits than its factorization.

969409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 969409 is about 984.5856996727. The cubic root of 969409 is about 98.9697217204.

It can be divided in two parts, 969 and 409, that added together give a triangular number (1378 = T₅₂).

The spelling of 969409 in words is "nine hundred sixty-nine thousand, four hundred nine".