9040981 has 4 divisors (see below), whose sum is σ = 9051264. Its totient is φ = 9030700.

The previous prime is 9040963. The next prime is 9041023. The reversal of 9040981 is 1890409.

9040981 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1890409 = 43 ⋅43963.

It is a cyclic number.

It is not a de Polignac number, because 9040981 - 2⁵ = 9040949 is a prime.

It is a super-2 number, since 2×9040981² = 163478674884722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9040931) 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, 3685 + ... + 5626.

It is an arithmetic number, because the mean of its divisors is an integer number (2262816).

Almost surely, 2^9040981 is an apocalyptic number.

It is an amenable number.

9040981 is a deficient number, since it is larger than the sum of its proper divisors (10283).

9040981 is an equidigital number, since it uses as much as digits as its factorization.

9040981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10282.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 9040981 is about 3006.8224091223. The cubic root of 9040981 is about 208.3236225163.

The spelling of 9040981 in words is "nine million, forty thousand, nine hundred eighty-one".