438696844 has 6 divisors (see below), whose sum is σ = 767719484. Its totient is φ = 219348420.

The previous prime is 438696821. The next prime is 438696851. The reversal of 438696844 is 448696834.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 438696791 and 438696800.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54837102 + ... + 54837109.

Almost surely, 2^438696844 is an apocalyptic number.

It is an amenable number.

438696844 is a deficient number, since it is larger than the sum of its proper divisors (329022640).

438696844 is a wasteful number, since it uses less digits than its factorization.

438696844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109674215 (or 109674213 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 52.

The square root of 438696844 is about 20945.0911671446. The cubic root of 438696844 is about 759.8388647305.

The spelling of 438696844 in words is "four hundred thirty-eight million, six hundred ninety-six thousand, eight hundred forty-four".