3678988 has 12 divisors (see below), whose sum is σ = 6718320. Its totient is φ = 1759472.

The previous prime is 3678979. The next prime is 3679003. The reversal of 3678988 is 8898763.

It is a happy number.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19903 + ... + 20086.

It is an arithmetic number, because the mean of its divisors is an integer number (559860).

Almost surely, 2^3678988 is an apocalyptic number.

It is an amenable number.

3678988 is a deficient number, since it is larger than the sum of its proper divisors (3039332).

3678988 is a wasteful number, since it uses less digits than its factorization.

3678988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40016 (or 40014 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 3678988 is about 1918.0688204546. The cubic root of 3678988 is about 154.3746989783.

It can be divided in two parts, 367 and 8988, that multiplied together give a triangular number (3298596 = T₂₅₆₈).

The spelling of 3678988 in words is "three million, six hundred seventy-eight thousand, nine hundred eighty-eight".