3678487 has 4 divisors (see below), whose sum is σ = 3683016. Its totient is φ = 3673960.

The previous prime is 3678481. The next prime is 3678497. The reversal of 3678487 is 7848763.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3678487 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3¹² + 6⁴ + 7 + 8 + 4¹⁰ + 8⁷ + 7 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3678481) 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, 673 + ... + 2794.

It is an arithmetic number, because the mean of its divisors is an integer number (920754).

Almost surely, 2^3678487 is an apocalyptic number.

3678487 is a deficient number, since it is larger than the sum of its proper divisors (4529).

3678487 is a wasteful number, since it uses less digits than its factorization.

3678487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528.

The product of its digits is 225792, while the sum is 43.

The square root of 3678487 is about 1917.9382158975. The cubic root of 3678487 is about 154.3676911421.

The spelling of 3678487 in words is "three million, six hundred seventy-eight thousand, four hundred eighty-seven".