438748 has 24 divisors (see below), whose sum is σ = 846720. Its totient is φ = 198000.

The previous prime is 438733. The next prime is 438761. The reversal of 438748 is 847834.

It is an Ulam number.

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 438748.

It is an unprimeable number.

438748 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1623 + ... + 1873.

It is an arithmetic number, because the mean of its divisors is an integer number (35280).

2⁴³⁸⁷⁴⁸ is an apocalyptic number.

It is an amenable number.

438748 is a deficient number, since it is larger than the sum of its proper divisors (407972).

438748 is a wasteful number, since it uses less digits than its factorization.

438748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 295 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 438748 is about 662.3805552702. The cubic root of 438748 is about 75.9868398266.

The spelling of 438748 in words is "four hundred thirty-eight thousand, seven hundred forty-eight".