860833381 has 2 divisors, whose sum is σ = 860833382. Its totient is φ = 860833380.

The previous prime is 860833313. The next prime is 860833411. The reversal of 860833381 is 183338068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 827482756 + 33350625 = 28766^2 + 5775^2 .

It is a cyclic number.

It is not a de Polignac number, because 860833381 - 2¹¹ = 860831333 is a prime.

It is a super-2 number, since 2×860833381² = 1482068219687782322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (860833081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430416690 + 430416691.

It is an arithmetic number, because the mean of its divisors is an integer number (430416691).

Almost surely, 2^860833381 is an apocalyptic number.

It is an amenable number.

860833381 is a deficient number, since it is larger than the sum of its proper divisors (1).

860833381 is an equidigital number, since it uses as much as digits as its factorization.

860833381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 860833381 is about 29339.9621847064. The cubic root of 860833381 is about 951.2756200870.

The spelling of 860833381 in words is "eight hundred sixty million, eight hundred thirty-three thousand, three hundred eighty-one".