838321049 has 2 divisors, whose sum is σ = 838321050. Its totient is φ = 838321048.

The previous prime is 838321019. The next prime is 838321103. The reversal of 838321049 is 940123838.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 837523600 + 797449 = 28940^2 + 893^2 .

It is a cyclic number.

It is not a de Polignac number, because 838321049 - 2¹⁶ = 838255513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (838321019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419160524 + 419160525.

It is an arithmetic number, because the mean of its divisors is an integer number (419160525).

Almost surely, 2^838321049 is an apocalyptic number.

It is an amenable number.

838321049 is a deficient number, since it is larger than the sum of its proper divisors (1).

838321049 is an equidigital number, since it uses as much as digits as its factorization.

838321049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 838321049 is about 28953.7743480880. The cubic root of 838321049 is about 942.9097436733.

The spelling of 838321049 in words is "eight hundred thirty-eight million, three hundred twenty-one thousand, forty-nine".