438882929 has 2 divisors, whose sum is σ = 438882930. Its totient is φ = 438882928.

The previous prime is 438882923. The next prime is 438882953. The reversal of 438882929 is 929288834.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321377329 + 117505600 = 17927^2 + 10840^2 .

It is a cyclic number.

It is not a de Polignac number, because 438882929 - 2¹² = 438878833 is a prime.

It is not a weakly prime, because it can be changed into another prime (438882923) 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 as a sum of consecutive naturals, namely, 219441464 + 219441465.

It is an arithmetic number, because the mean of its divisors is an integer number (219441465).

Almost surely, 2^438882929 is an apocalyptic number.

It is an amenable number.

438882929 is a deficient number, since it is larger than the sum of its proper divisors (1).

438882929 is an equidigital number, since it uses as much as digits as its factorization.

438882929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1990656, while the sum is 53.

The square root of 438882929 is about 20949.5329064874. The cubic root of 438882929 is about 759.9462848694.

The spelling of 438882929 in words is "four hundred thirty-eight million, eight hundred eighty-two thousand, nine hundred twenty-nine".