438214842 has 24 divisors (see below), whose sum is σ = 1022501844. Its totient is φ = 134835264.

The previous prime is 438214823. The next prime is 438214867. The reversal of 438214842 is 248412834.

438214842 is a `hidden beast` number, since 438 + 214 + 8 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 401962401 + 36252441 = 20049^2 + 6021^2 .

It is a junction number, because it is equal to n+sod(n) for n = 438214797 and 438214806.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 936123 + ... + 936590.

Almost surely, 2^438214842 is an apocalyptic number.

438214842 is an abundant number, since it is smaller than the sum of its proper divisors (584287002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

438214842 is a wasteful number, since it uses less digits than its factorization.

438214842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872734 (or 1872731 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 438214842 is about 20933.5816811171. The cubic root of 438214842 is about 759.5604810951.

The spelling of 438214842 in words is "four hundred thirty-eight million, two hundred fourteen thousand, eight hundred forty-two".