438750971 has 2 divisors, whose sum is σ = 438750972. Its totient is φ = 438750970.

The previous prime is 438750959. The next prime is 438750989. The reversal of 438750971 is 179057834.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 438750971 - 2¹⁰ = 438749947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (438750901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219375485 + 219375486.

It is an arithmetic number, because the mean of its divisors is an integer number (219375486).

Almost surely, 2^438750971 is an apocalyptic number.

438750971 is a deficient number, since it is larger than the sum of its proper divisors (1).

438750971 is an equidigital number, since it uses as much as digits as its factorization.

438750971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 438750971 is about 20946.3832438920. The cubic root of 438750971 is about 759.8701134219.

The spelling of 438750971 in words is "four hundred thirty-eight million, seven hundred fifty thousand, nine hundred seventy-one".