438775532 has 12 divisors (see below), whose sum is σ = 826923216. Its totient is φ = 202511760.

The previous prime is 438775511. The next prime is 438775537. The reversal of 438775532 is 235577834.

It is not an unprimeable number, because it can be changed into a prime (438775537) 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, 4218944 + ... + 4219047.

It is an arithmetic number, because the mean of its divisors is an integer number (68910268).

Almost surely, 2^438775532 is an apocalyptic number.

It is an amenable number.

438775532 is a deficient number, since it is larger than the sum of its proper divisors (388147684).

438775532 is a wasteful number, since it uses less digits than its factorization.

438775532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8438008 (or 8438006 counting only the distinct ones).

The product of its digits is 705600, while the sum is 44.

The square root of 438775532 is about 20946.9695182859. The cubic root of 438775532 is about 759.8842921723.

The spelling of 438775532 in words is "four hundred thirty-eight million, seven hundred seventy-five thousand, five hundred thirty-two".