9633381 has 4 divisors (see below), whose sum is σ = 12844512. Its totient is φ = 6422252.

The previous prime is 9633367. The next prime is 9633397. The reversal of 9633381 is 1833369.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9633381 is a prime.

It is a super-2 number, since 2×9633381² = 185604058982322, which contains 22 as substring.

9633381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9633301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1605561 + ... + 1605566.

It is an arithmetic number, because the mean of its divisors is an integer number (3211128).

Almost surely, 2^9633381 is an apocalyptic number.

It is an amenable number.

9633381 is a deficient number, since it is larger than the sum of its proper divisors (3211131).

9633381 is a wasteful number, since it uses less digits than its factorization.

9633381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211130.

The product of its digits is 11664, while the sum is 33.

The square root of 9633381 is about 3103.7688380419. The cubic root of 9633381 is about 212.7777664058. Note that the first 4 decimals are identical.

The spelling of 9633381 in words is "nine million, six hundred thirty-three thousand, three hundred eighty-one".