9361989 has 72 divisors (see below), whose sum is σ = 17926272. Its totient is φ = 4656960.

The previous prime is 9361987. The next prime is 9361991. The reversal of 9361989 is 9891639.

9361989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9361987) and next prime (9361991).

It is not a de Polignac number, because 9361989 - 2¹ = 9361987 is a prime.

It is a super-2 number, since 2×9361989² = 175293676072242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9361987) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 131824 + ... + 131894.

It is an arithmetic number, because the mean of its divisors is an integer number (248976).

Almost surely, 2^9361989 is an apocalyptic number.

It is an amenable number.

9361989 is a deficient number, since it is larger than the sum of its proper divisors (8564283).

9361989 is a wasteful number, since it uses less digits than its factorization.

9361989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 117 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 9361989 is about 3059.7367533826. The cubic root of 9361989 is about 210.7605753654.

The spelling of 9361989 in words is "nine million, three hundred sixty-one thousand, nine hundred eighty-nine".