3889988 has 24 divisors (see below), whose sum is σ = 7076160. Its totient is φ = 1869920.

The previous prime is 3889969. The next prime is 3889993. The reversal of 3889988 is 8899883.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12353 + ... + 12663.

It is an arithmetic number, because the mean of its divisors is an integer number (294840).

Almost surely, 2^3889988 is an apocalyptic number.

It is an amenable number.

3889988 is a deficient number, since it is larger than the sum of its proper divisors (3186172).

3889988 is a wasteful number, since it uses less digits than its factorization.

3889988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 425 counting only the distinct ones).

The product of its digits is 995328, while the sum is 53.

The square root of 3889988 is about 1972.3052502085. The cubic root of 3889988 is about 157.2712796718.

The spelling of 3889988 in words is "three million, eight hundred eighty-nine thousand, nine hundred eighty-eight".