438497 has 4 divisors (see below), whose sum is σ = 440496. Its totient is φ = 436500.

The previous prime is 438479. The next prime is 438499. The reversal of 438497 is 794834.

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 a cyclic number.

It is not a de Polignac number, because 438497 - 2⁸ = 438241 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 438497.

It is not an unprimeable number, because it can be changed into a prime (438499) 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, 623 + ... + 1124.

It is an arithmetic number, because the mean of its divisors is an integer number (110124).

2⁴³⁸⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

438497 is a deficient number, since it is larger than the sum of its proper divisors (1999).

438497 is a wasteful number, since it uses less digits than its factorization.

438497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998.

The product of its digits is 24192, while the sum is 35.

The square root of 438497 is about 662.1910600423. The cubic root of 438497 is about 75.9723468184.

The spelling of 438497 in words is "four hundred thirty-eight thousand, four hundred ninety-seven".