438104925 has 36 divisors (see below), whose sum is σ = 788074560. Its totient is φ = 232649760.

The previous prime is 438104921. The next prime is 438104929. The reversal of 438104925 is 529401834.

It is an interprime number because it is at equal distance from previous prime (438104921) and next prime (438104929).

It is not a de Polignac number, because 438104925 - 2² = 438104921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 438104925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438104921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 49702 + ... + 57848.

It is an arithmetic number, because the mean of its divisors is an integer number (21890960).

Almost surely, 2^438104925 is an apocalyptic number.

438104925 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

438104925 is a deficient number, since it is larger than the sum of its proper divisors (349969635).

438104925 is a wasteful number, since it uses less digits than its factorization.

438104925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8402 (or 8394 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 438104925 is about 20930.9561415622. The cubic root of 438104925 is about 759.4969691806.

The spelling of 438104925 in words is "four hundred thirty-eight million, one hundred four thousand, nine hundred twenty-five".