438214725 has 48 divisors (see below), whose sum is σ = 866958400. Its totient is φ = 215732160.

The previous prime is 438214691. The next prime is 438214739. The reversal of 438214725 is 527412834.

It is a happy number.

438214725 is a `hidden beast` number, since 438 + 214 + 7 + 2 + 5 = 666.

It is not a de Polignac number, because 438214725 - 2²⁵ = 404660293 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 438214725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16195 + ... + 33744.

Almost surely, 2^438214725 is an apocalyptic number.

438214725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

438214725 is a deficient number, since it is larger than the sum of its proper divisors (428743675).

438214725 is a wasteful number, since it uses less digits than its factorization.

438214725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49971 (or 49960 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 438214725 is about 20933.5788865640. The cubic root of 438214725 is about 759.5604134962.

The spelling of 438214725 in words is "four hundred thirty-eight million, two hundred fourteen thousand, seven hundred twenty-five".