986350381 has 2 divisors, whose sum is σ = 986350382. Its totient is φ = 986350380.

The previous prime is 986350369. The next prime is 986350397. The reversal of 986350381 is 183053689.

986350381 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., 939974281 + 46376100 = 30659^2 + 6810^2 .

It is a cyclic number.

It is not a de Polignac number, because 986350381 - 2¹⁷ = 986219309 is a prime.

It is a super-2 number, since 2×986350381² = 1945774148197690322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986350481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493175190 + 493175191.

It is an arithmetic number, because the mean of its divisors is an integer number (493175191).

Almost surely, 2^986350381 is an apocalyptic number.

It is an amenable number.

986350381 is a deficient number, since it is larger than the sum of its proper divisors (1).

986350381 is an equidigital number, since it uses as much as digits as its factorization.

986350381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 986350381 is about 31406.2156427673. The cubic root of 986350381 is about 995.4292672319.

The spelling of 986350381 in words is "nine hundred eighty-six million, three hundred fifty thousand, three hundred eighty-one".