848647381 has 2 divisors, whose sum is σ = 848647382. Its totient is φ = 848647380.

The previous prime is 848647367. The next prime is 848647427. The reversal of 848647381 is 183746848.

It is a happy number.

848647381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 817388100 + 31259281 = 28590^2 + 5591^2 .

It is a cyclic number.

It is not a de Polignac number, because 848647381 - 2¹⁷ = 848516309 is a prime.

It is a super-2 number, since 2×848647381² = 1440404754556318322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (848647301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424323690 + 424323691.

It is an arithmetic number, because the mean of its divisors is an integer number (424323691).

Almost surely, 2^848647381 is an apocalyptic number.

It is an amenable number.

848647381 is a deficient number, since it is larger than the sum of its proper divisors (1).

848647381 is an equidigital number, since it uses as much as digits as its factorization.

848647381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1032192, while the sum is 49.

The square root of 848647381 is about 29131.5530138714. The cubic root of 848647381 is about 946.7655025723.

The spelling of 848647381 in words is "eight hundred forty-eight million, six hundred forty-seven thousand, three hundred eighty-one".