438067472 has 20 divisors (see below), whose sum is σ = 864771660. Its totient is φ = 214900608.

The previous prime is 438067463. The next prime is 438067489. The reversal of 438067472 is 274760834.

It can be written as a sum of positive squares in 2 ways, for example, as 387144976 + 50922496 = 19676^2 + 7136^2 .

It is a super-2 number, since 2×438067472² = 383806220048941568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257447 + ... + 259142.

It is an arithmetic number, because the mean of its divisors is an integer number (43238583).

Almost surely, 2^438067472 is an apocalyptic number.

It is an amenable number.

438067472 is a deficient number, since it is larger than the sum of its proper divisors (426704188).

438067472 is a wasteful number, since it uses less digits than its factorization.

438067472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516650 (or 516644 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 438067472 is about 20930.0614428147. The cubic root of 438067472 is about 759.4753257728.

The spelling of 438067472 in words is "four hundred thirty-eight million, sixty-seven thousand, four hundred seventy-two".