8040387 has 16 divisors (see below), whose sum is σ = 11088000. Its totient is φ = 5179200.

The previous prime is 8040379. The next prime is 8040391. The reversal of 8040387 is 7830408.

It is not a de Polignac number, because 8040387 - 2³ = 8040379 is a prime.

It is an Ulam number.

8040387 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8040367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15864 + ... + 16362.

It is an arithmetic number, because the mean of its divisors is an integer number (693000).

Almost surely, 2^8040387 is an apocalyptic number.

8040387 is a deficient number, since it is larger than the sum of its proper divisors (3047613).

8040387 is a wasteful number, since it uses less digits than its factorization.

8040387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 8040387 is about 2835.5576171187. The cubic root of 8040387 is about 200.3359935589.

The spelling of 8040387 in words is "eight million, forty thousand, three hundred eighty-seven".