9023641 has 4 divisors (see below), whose sum is σ = 9843984. Its totient is φ = 8203300.

The previous prime is 9023639. The next prime is 9023647. The reversal of 9023641 is 1463209.

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 not a de Polignac number, because 9023641 - 2¹ = 9023639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9023647) 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, 410155 + ... + 410176.

It is an arithmetic number, because the mean of its divisors is an integer number (2460996).

Almost surely, 2^9023641 is an apocalyptic number.

It is an amenable number.

9023641 is a deficient number, since it is larger than the sum of its proper divisors (820343).

9023641 is a wasteful number, since it uses less digits than its factorization.

9023641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820342.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 9023641 is about 3003.9375825739. The cubic root of 9023641 is about 208.1903536640.

The spelling of 9023641 in words is "nine million, twenty-three thousand, six hundred forty-one".