9747381 has 16 divisors (see below), whose sum is σ = 15216768. Its totient is φ = 5433600.

The previous prime is 9747349. The next prime is 9747383. The reversal of 9747381 is 1837479.

It is not a de Polignac number, because 9747381 - 2⁵ = 9747349 is a prime.

It is a super-2 number, since 2×9747381² = 190022872718322, 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 (9747383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4800 + ... + 6521.

It is an arithmetic number, because the mean of its divisors is an integer number (951048).

Almost surely, 2^9747381 is an apocalyptic number.

It is an amenable number.

9747381 is a deficient number, since it is larger than the sum of its proper divisors (5469387).

9747381 is a wasteful number, since it uses less digits than its factorization.

9747381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11372.

The product of its digits is 42336, while the sum is 39.

The square root of 9747381 is about 3122.0795953979. The cubic root of 9747381 is about 213.6138040077.

The spelling of 9747381 in words is "nine million, seven hundred forty-seven thousand, three hundred eighty-one".