438204427 has 8 divisors (see below), whose sum is σ = 466939296. Its totient is φ = 409798272.

The previous prime is 438204401. The next prime is 438204463. The reversal of 438204427 is 724402834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 438204427 - 2²³ = 429815819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 438204392 and 438204401.

It is not an unprimeable number, because it can be changed into a prime (438204527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79423 + ... + 84760.

It is an arithmetic number, because the mean of its divisors is an integer number (58367412).

Almost surely, 2^438204427 is an apocalyptic number.

438204427 is a deficient number, since it is larger than the sum of its proper divisors (28734869).

438204427 is a wasteful number, since it uses less digits than its factorization.

438204427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164357.

The product of its (nonzero) digits is 43008, while the sum is 34.

The square root of 438204427 is about 20933.3329166667. The cubic root of 438204427 is about 759.5544635863.

The spelling of 438204427 in words is "four hundred thirty-eight million, two hundred four thousand, four hundred twenty-seven".