438834446 has 8 divisors (see below), whose sum is σ = 666182664. Its totient is φ = 216773560.

The previous prime is 438834443. The next prime is 438834449. The reversal of 438834446 is 644438834.

It is an interprime number because it is at equal distance from previous prime (438834443) and next prime (438834449).

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

It is a super-2 number, since 2×438834446² = 385151341992253832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 438834397 and 438834406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438834443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1321625 + ... + 1321956.

It is an arithmetic number, because the mean of its divisors is an integer number (83272833).

Almost surely, 2^438834446 is an apocalyptic number.

438834446 is a deficient number, since it is larger than the sum of its proper divisors (227348218).

438834446 is a wasteful number, since it uses less digits than its factorization.

438834446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643666.

The product of its digits is 884736, while the sum is 44.

The square root of 438834446 is about 20948.3757365577. The cubic root of 438834446 is about 759.9183003127.

The spelling of 438834446 in words is "four hundred thirty-eight million, eight hundred thirty-four thousand, four hundred forty-six".