9040641 has 8 divisors (see below), whose sum is σ = 12068160. Its totient is φ = 6020112.

The previous prime is 9040639. The next prime is 9040693. The reversal of 9040641 is 1460409.

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

It is not a de Polignac number, because 9040641 - 2¹ = 9040639 is a prime.

9040641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9040601) 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, 3711 + ... + 5643.

It is an arithmetic number, because the mean of its divisors is an integer number (1508520).

Almost surely, 2^9040641 is an apocalyptic number.

It is an amenable number.

9040641 is a deficient number, since it is larger than the sum of its proper divisors (3027519).

9040641 is a wasteful number, since it uses less digits than its factorization.

9040641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3495.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 9040641 is about 3006.7658704994. The cubic root of 9040641 is about 208.3210110401.

The spelling of 9040641 in words is "nine million, forty thousand, six hundred forty-one".