9012381 has 8 divisors (see below), whose sum is σ = 13733184. Its totient is φ = 5149920.

The previous prime is 9012337. The next prime is 9012383. The reversal of 9012381 is 1832109.

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

It is not a de Polignac number, because 9012381 - 2⁷ = 9012253 is a prime.

It is a super-2 number, since 2×9012381² = 162446022578322, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9012383) 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, 214560 + ... + 214601.

It is an arithmetic number, because the mean of its divisors is an integer number (1716648).

Almost surely, 2^9012381 is an apocalyptic number.

It is an amenable number.

9012381 is a deficient number, since it is larger than the sum of its proper divisors (4720803).

9012381 is a wasteful number, since it uses less digits than its factorization.

9012381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429171.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 9012381 is about 3002.0627908157. The cubic root of 9012381 is about 208.1037219993.

The spelling of 9012381 in words is "nine million, twelve thousand, three hundred eighty-one".