9040687 has 4 divisors (see below), whose sum is σ = 9211320. Its totient is φ = 8870056.

The previous prime is 9040639. The next prime is 9040693. The reversal of 9040687 is 7860409.

9040687 is digitally balanced in base 3, 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 an emirpimes, since its reverse is a distinct semiprime: 7860409 = 17 ⋅462377.

It is a cyclic number.

It is not a de Polignac number, because 9040687 - 2²³ = 652079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9040487) 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, 85237 + ... + 85342.

It is an arithmetic number, because the mean of its divisors is an integer number (2302830).

Almost surely, 2^9040687 is an apocalyptic number.

9040687 is a deficient number, since it is larger than the sum of its proper divisors (170633).

9040687 is a wasteful number, since it uses less digits than its factorization.

9040687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170632.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 9040687 is about 3006.7735199047. The cubic root of 9040687 is about 208.3213643613.

The spelling of 9040687 in words is "nine million, forty thousand, six hundred eighty-seven".