3581487 has 24 divisors (see below), whose sum is σ = 6368544. Its totient is φ = 1888704.

The previous prime is 3581467. The next prime is 3581497. The reversal of 3581487 is 7841853.

It is not a de Polignac number, because 3581487 - 2¹⁰ = 3580463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3581467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1368 + ... + 3005.

It is an arithmetic number, because the mean of its divisors is an integer number (265356).

Almost surely, 2^3581487 is an apocalyptic number.

3581487 is a deficient number, since it is larger than the sum of its proper divisors (2787057).

3581487 is a wasteful number, since it uses less digits than its factorization.

3581487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4399 (or 4396 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 3581487 is about 1892.4817040067. The cubic root of 3581487 is about 152.9987184309.

The spelling of 3581487 in words is "three million, five hundred eighty-one thousand, four hundred eighty-seven".