9356989 has 2 divisors, whose sum is σ = 9356990. Its totient is φ = 9356988.

The previous prime is 9356983. The next prime is 9356999. The reversal of 9356989 is 9896539.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9351364 + 5625 = 3058^2 + 75^2 .

It is a cyclic number.

It is not a de Polignac number, because 9356989 - 2³ = 9356981 is a prime.

It is a super-2 number, since 2×9356989² = 175106486292242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9356981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4678494 + 4678495.

It is an arithmetic number, because the mean of its divisors is an integer number (4678495).

Almost surely, 2^9356989 is an apocalyptic number.

It is an amenable number.

9356989 is a deficient number, since it is larger than the sum of its proper divisors (1).

9356989 is an equidigital number, since it uses as much as digits as its factorization.

9356989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 49.

The square root of 9356989 is about 3058.9195805055. The cubic root of 9356989 is about 210.7230480645.

The spelling of 9356989 in words is "nine million, three hundred fifty-six thousand, nine hundred eighty-nine".