438284953 has 2 divisors, whose sum is σ = 438284954. Its totient is φ = 438284952.

The previous prime is 438284933. The next prime is 438285031. The reversal of 438284953 is 359482834.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 394896384 + 43388569 = 19872^2 + 6587^2 .

It is a cyclic number.

It is not a de Polignac number, because 438284953 - 2⁵ = 438284921 is a prime.

It is not a weakly prime, because it can be changed into another prime (438284933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219142476 + 219142477.

It is an arithmetic number, because the mean of its divisors is an integer number (219142477).

Almost surely, 2^438284953 is an apocalyptic number.

It is an amenable number.

438284953 is a deficient number, since it is larger than the sum of its proper divisors (1).

438284953 is an equidigital number, since it uses as much as digits as its factorization.

438284953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 46.

The square root of 438284953 is about 20935.2562200705. The cubic root of 438284953 is about 759.6009868775.

The spelling of 438284953 in words is "four hundred thirty-eight million, two hundred eighty-four thousand, nine hundred fifty-three".