69438 has 16 divisors (see below), whose sum is σ = 141696. Its totient is φ = 22680.

The previous prime is 69431. The next prime is 69439. The reversal of 69438 is 83496.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 69438.

It is not an unprimeable number, because it can be changed into a prime (69431) 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, 345 + ... + 507.

It is an arithmetic number, because the mean of its divisors is an integer number (8856).

2⁶⁹⁴³⁸ is an apocalyptic number.

69438 is an abundant number, since it is smaller than the sum of its proper divisors (72258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70848).

69438 is a wasteful number, since it uses less digits than its factorization.

69438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239.

The product of its digits is 5184, while the sum is 30.

The square root of 69438 is about 263.5109105901. The cubic root of 69438 is about 41.1022630635.

The spelling of 69438 in words is "sixty-nine thousand, four hundred thirty-eight".