438678051 has 16 divisors (see below), whose sum is σ = 668811264. Its totient is φ = 250542144.

The previous prime is 438678043. The next prime is 438678067. The reversal of 438678051 is 150876834.

It is not a de Polignac number, because 438678051 - 2³ = 438678043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 438677994 and 438678012.

It is not an unprimeable number, because it can be changed into a prime (438678001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47710 + ... + 56156.

It is an arithmetic number, because the mean of its divisors is an integer number (41800704).

Almost surely, 2^438678051 is an apocalyptic number.

438678051 is a deficient number, since it is larger than the sum of its proper divisors (230133213).

438678051 is a wasteful number, since it uses less digits than its factorization.

438678051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10930.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 438678051 is about 20944.6425369353. The cubic root of 438678051 is about 759.8280145227.

The spelling of 438678051 in words is "four hundred thirty-eight million, six hundred seventy-eight thousand, fifty-one".