438487934 has 8 divisors (see below), whose sum is σ = 657932328. Its totient is φ = 219177160.

The previous prime is 438487927. The next prime is 438487937. The reversal of 438487934 is 439784834.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438487937) 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, 24752 + ... + 38595.

It is an arithmetic number, because the mean of its divisors is an integer number (82241541).

Almost surely, 2^438487934 is an apocalyptic number.

438487934 is a deficient number, since it is larger than the sum of its proper divisors (219444394).

438487934 is a wasteful number, since it uses less digits than its factorization.

438487934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66810.

The product of its digits is 2322432, while the sum is 50.

The square root of 438487934 is about 20940.1034858952. The cubic root of 438487934 is about 759.7182323444.

The spelling of 438487934 in words is "four hundred thirty-eight million, four hundred eighty-seven thousand, nine hundred thirty-four".