438514572 has 12 divisors (see below), whose sum is σ = 1023200696. Its totient is φ = 146171520.

The previous prime is 438514567. The next prime is 438514579. The reversal of 438514572 is 275415834.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 438514572.

It is not an unprimeable number, because it can be changed into a prime (438514579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18271429 + ... + 18271452.

Almost surely, 2^438514572 is an apocalyptic number.

It is an amenable number.

438514572 is an abundant number, since it is smaller than the sum of its proper divisors (584686124).

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

438514572 is a wasteful number, since it uses less digits than its factorization.

438514572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36542888 (or 36542886 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The square root of 438514572 is about 20940.7395284885. The cubic root of 438514572 is about 759.7336162450.

The spelling of 438514572 in words is "four hundred thirty-eight million, five hundred fourteen thousand, five hundred seventy-two".