9773381 has 2 divisors, whose sum is σ = 9773382. Its totient is φ = 9773380.

The previous prime is 9773369. The next prime is 9773411. The reversal of 9773381 is 1833779.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4972900 + 4800481 = 2230^2 + 2191^2 .

It is a cyclic number.

It is not a de Polignac number, because 9773381 - 2¹⁸ = 9511237 is a prime.

It is a super-2 number, since 2×9773381² = 191037952342322, 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 (9773311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4886690 + 4886691.

It is an arithmetic number, because the mean of its divisors is an integer number (4886691).

Almost surely, 2^9773381 is an apocalyptic number.

It is an amenable number.

9773381 is a deficient number, since it is larger than the sum of its proper divisors (1).

9773381 is an equidigital number, since it uses as much as digits as its factorization.

9773381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 38.

The square root of 9773381 is about 3126.2407137007. The cubic root of 9773381 is about 213.8035653405.

The spelling of 9773381 in words is "nine million, seven hundred seventy-three thousand, three hundred eighty-one".