3687858 has 24 divisors (see below), whose sum is σ = 8036496. Its totient is φ = 1222200.

The previous prime is 3687857. The next prime is 3687869. The reversal of 3687858 is 8587863.

It is not an unprimeable number, because it can be changed into a prime (3687857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3313 + ... + 4283.

It is an arithmetic number, because the mean of its divisors is an integer number (334854).

Almost surely, 2^3687858 is an apocalyptic number.

3687858 is an abundant number, since it is smaller than the sum of its proper divisors (4348638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3687858 is a wasteful number, since it uses less digits than its factorization.

3687858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190 (or 1187 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 3687858 is about 1920.3796499651. The cubic root of 3687858 is about 154.4986646443.

The spelling of 3687858 in words is "three million, six hundred eighty-seven thousand, eight hundred fifty-eight".