438935394 has 16 divisors (see below), whose sum is σ = 878849568. Its totient is φ = 146148672.

The previous prime is 438935377. The next prime is 438935401. The reversal of 438935394 is 493539834.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34887 + ... + 45770.

It is an arithmetic number, because the mean of its divisors is an integer number (54928098).

Almost surely, 2^438935394 is an apocalyptic number.

438935394 is an abundant number, since it is smaller than the sum of its proper divisors (439914174).

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

438935394 is a wasteful number, since it uses less digits than its factorization.

438935394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81569.

The product of its digits is 1399680, while the sum is 48.

The square root of 438935394 is about 20950.7850449571. The cubic root of 438935394 is about 759.9765655286.

The spelling of 438935394 in words is "four hundred thirty-eight million, nine hundred thirty-five thousand, three hundred ninety-four".