9452381 has 4 divisors (see below), whose sum is σ = 9465564. Its totient is φ = 9439200.

The previous prime is 9452369. The next prime is 9452383. The reversal of 9452381 is 1832549.

9452381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4120900 + 5331481 = 2030^2 + 2309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9452381 is a prime.

It is a super-2 number, since 2×9452381² = 178695013138322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9452383) 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, 5450 + ... + 6971.

It is an arithmetic number, because the mean of its divisors is an integer number (2366391).

Almost surely, 2^9452381 is an apocalyptic number.

It is an amenable number.

9452381 is a deficient number, since it is larger than the sum of its proper divisors (13183).

9452381 is a wasteful number, since it uses less digits than its factorization.

9452381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13182.

The product of its digits is 8640, while the sum is 32.

The square root of 9452381 is about 3074.4724750760. The cubic root of 9452381 is about 211.4367166807.

The spelling of 9452381 in words is "nine million, four hundred fifty-two thousand, three hundred eighty-one".