438069 has 4 divisors (see below), whose sum is σ = 584096. Its totient is φ = 292044.

The previous prime is 438049. The next prime is 438091. The reversal of 438069 is 960834.

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.

It is not a de Polignac number, because 438069 - 2⁹ = 437557 is a prime.

It is a super-2 number, since 2×438069² = 383808897522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438029) 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, 73009 + ... + 73014.

It is an arithmetic number, because the mean of its divisors is an integer number (146024).

2⁴³⁸⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

438069 is a deficient number, since it is larger than the sum of its proper divisors (146027).

438069 is a wasteful number, since it uses less digits than its factorization.

438069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146026.

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

The square root of 438069 is about 661.8678115757. The cubic root of 438069 is about 75.9476208800.

The spelling of 438069 in words is "four hundred thirty-eight thousand, sixty-nine".