3840487 has 16 divisors (see below), whose sum is σ = 4734720. Its totient is φ = 3040128.

The previous prime is 3840481. The next prime is 3840503. The reversal of 3840487 is 7840483.

It is not a de Polignac number, because 3840487 - 2³ = 3840479 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 (3840481) 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, 6748 + ... + 7294.

It is an arithmetic number, because the mean of its divisors is an integer number (295920).

Almost surely, 2^3840487 is an apocalyptic number.

3840487 is a deficient number, since it is larger than the sum of its proper divisors (894233).

3840487 is a wasteful number, since it uses less digits than its factorization.

3840487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 3840487 is about 1959.7160508604. The cubic root of 3840487 is about 156.6013252994.

The spelling of 3840487 in words is "three million, eight hundred forty thousand, four hundred eighty-seven".