983850397 has 2 divisors, whose sum is σ = 983850398. Its totient is φ = 983850396.

The previous prime is 983850353. The next prime is 983850443. The reversal of 983850397 is 793058389.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 933241401 + 50608996 = 30549^2 + 7114^2 .

It is a cyclic number.

It is not a de Polignac number, because 983850397 - 2¹⁵ = 983817629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (983850347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491925198 + 491925199.

It is an arithmetic number, because the mean of its divisors is an integer number (491925199).

Almost surely, 2^983850397 is an apocalyptic number.

It is an amenable number.

983850397 is a deficient number, since it is larger than the sum of its proper divisors (1).

983850397 is an equidigital number, since it uses as much as digits as its factorization.

983850397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 983850397 is about 31366.3896073488. The cubic root of 983850397 is about 994.5875573159.

The spelling of 983850397 in words is "nine hundred eighty-three million, eight hundred fifty thousand, three hundred ninety-seven".