9140487 has 4 divisors (see below), whose sum is σ = 12187320. Its totient is φ = 6093656.

The previous prime is 9140479. The next prime is 9140489. The reversal of 9140487 is 7840419.

9140487 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9140487 - 2³ = 9140479 is a prime.

9140487 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9140489) 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, 1523412 + ... + 1523417.

It is an arithmetic number, because the mean of its divisors is an integer number (3046830).

Almost surely, 2^9140487 is an apocalyptic number.

9140487 is a deficient number, since it is larger than the sum of its proper divisors (3046833).

9140487 is a wasteful number, since it uses less digits than its factorization.

9140487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046832.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 9140487 is about 3023.3238331347. The cubic root of 9140487 is about 209.0851129573.

The spelling of 9140487 in words is "nine million, one hundred forty thousand, four hundred eighty-seven".