438707 has 2 divisors, whose sum is σ = 438708. Its totient is φ = 438706.

The previous prime is 438701. The next prime is 438721. The reversal of 438707 is 707834.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 438707 - 2¹² = 434611 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 438707.

It is not a weakly prime, because it can be changed into another prime (438701) 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 as a sum of consecutive naturals, namely, 219353 + 219354.

It is an arithmetic number, because the mean of its divisors is an integer number (219354).

2⁴³⁸⁷⁰⁷ is an apocalyptic number.

438707 is a deficient number, since it is larger than the sum of its proper divisors (1).

438707 is an equidigital number, since it uses as much as digits as its factorization.

438707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 438707 is about 662.3496055710. The cubic root of 438707 is about 75.9844728205.

The spelling of 438707 in words is "four hundred thirty-eight thousand, seven hundred seven".