986350397 has 2 divisors, whose sum is σ = 986350398. Its totient is φ = 986350396.

The previous prime is 986350381. The next prime is 986350441. The reversal of 986350397 is 793053689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 630311236 + 356039161 = 25106^2 + 18869^2 .

It is a cyclic number.

It is not a de Polignac number, because 986350397 - 2⁴ = 986350381 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986350307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493175198 + 493175199.

It is an arithmetic number, because the mean of its divisors is an integer number (493175199).

Almost surely, 2^986350397 is an apocalyptic number.

It is an amenable number.

986350397 is a deficient number, since it is larger than the sum of its proper divisors (1).

986350397 is an equidigital number, since it uses as much as digits as its factorization.

986350397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 986350397 is about 31406.2158974939. The cubic root of 986350397 is about 995.4292726144.

The spelling of 986350397 in words is "nine hundred eighty-six million, three hundred fifty thousand, three hundred ninety-seven".