438199125 has 64 divisors (see below), whose sum is σ = 897501696. Its totient is φ = 184896000.

The previous prime is 438199087. The next prime is 438199127. The reversal of 438199125 is 521991834.

It is not a de Polignac number, because 438199125 - 2⁷ = 438198997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438199127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27705 + ... + 40545.

It is an arithmetic number, because the mean of its divisors is an integer number (14023464).

Almost surely, 2^438199125 is an apocalyptic number.

It is an amenable number.

438199125 is an abundant number, since it is smaller than the sum of its proper divisors (459302571).

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

438199125 is a wasteful number, since it uses less digits than its factorization.

438199125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12879 (or 12869 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 438199125 is about 20933.2062761537. The cubic root of 438199125 is about 759.5514001956.

The spelling of 438199125 in words is "four hundred thirty-eight million, one hundred ninety-nine thousand, one hundred twenty-five".