8965381 has 2 divisors, whose sum is σ = 8965382. Its totient is φ = 8965380.

The previous prime is 8965367. The next prime is 8965393. The reversal of 8965381 is 1835698.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8940100 + 25281 = 2990^2 + 159^2 .

It is a cyclic number.

It is not a de Polignac number, because 8965381 - 2¹⁵ = 8932613 is a prime.

It is a super-2 number, since 2×8965381² = 160756112950322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8965301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4482690 + 4482691.

It is an arithmetic number, because the mean of its divisors is an integer number (4482691).

Almost surely, 2^8965381 is an apocalyptic number.

It is an amenable number.

8965381 is a deficient number, since it is larger than the sum of its proper divisors (1).

8965381 is an equidigital number, since it uses as much as digits as its factorization.

8965381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 40.

The square root of 8965381 is about 2994.2246074735. The cubic root of 8965381 is about 207.7413343408.

The spelling of 8965381 in words is "eight million, nine hundred sixty-five thousand, three hundred eighty-one".