439676401 has 2 divisors, whose sum is σ = 439676402. Its totient is φ = 439676400.

The previous prime is 439676381. The next prime is 439676467. The reversal of 439676401 is 104676934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328479376 + 111197025 = 18124^2 + 10545^2 .

It is a cyclic number.

It is not a de Polignac number, because 439676401 - 2¹⁹ = 439152113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (439676101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219838200 + 219838201.

It is an arithmetic number, because the mean of its divisors is an integer number (219838201).

Almost surely, 2^439676401 is an apocalyptic number.

It is an amenable number.

439676401 is a deficient number, since it is larger than the sum of its proper divisors (1).

439676401 is an equidigital number, since it uses as much as digits as its factorization.

439676401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 439676401 is about 20968.4620561452. The cubic root of 439676401 is about 760.4039870876.

The spelling of 439676401 in words is "four hundred thirty-nine million, six hundred seventy-six thousand, four hundred one".