438276401 has 4 divisors (see below), whose sum is σ = 461343600. Its totient is φ = 415209204.

The previous prime is 438276389. The next prime is 438276407. The reversal of 438276401 is 104672834.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 438276401 - 2¹⁰ = 438275377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (438276407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11533571 + ... + 11533608.

It is an arithmetic number, because the mean of its divisors is an integer number (115335900).

Almost surely, 2^438276401 is an apocalyptic number.

It is an amenable number.

438276401 is a deficient number, since it is larger than the sum of its proper divisors (23067199).

438276401 is a wasteful number, since it uses less digits than its factorization.

438276401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23067198.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 438276401 is about 20935.0519703200. The cubic root of 438276401 is about 759.5960462943.

The spelling of 438276401 in words is "four hundred thirty-eight million, two hundred seventy-six thousand, four hundred one".