9189481 has 8 divisors (see below), whose sum is σ = 10601280. Its totient is φ = 7802448.

The previous prime is 9189461. The next prime is 9189497. The reversal of 9189481 is 1849819.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9189481 - 2⁷ = 9189353 is a prime.

It is a super-2 number, since 2×9189481² = 168893122098722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9189421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5386 + ... + 6883.

It is an arithmetic number, because the mean of its divisors is an integer number (1325160).

Almost surely, 2^9189481 is an apocalyptic number.

It is an amenable number.

9189481 is a deficient number, since it is larger than the sum of its proper divisors (1411799).

9189481 is a wasteful number, since it uses less digits than its factorization.

9189481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12383.

The product of its digits is 20736, while the sum is 40.

The square root of 9189481 is about 3031.4156758848. The cubic root of 9189481 is about 209.4580204220.

The spelling of 9189481 in words is "nine million, one hundred eighty-nine thousand, four hundred eighty-one".