3985288 has 32 divisors (see below), whose sum is σ = 7963200. Its totient is φ = 1864512.

The previous prime is 3985277. The next prime is 3985297. The reversal of 3985288 is 8825893.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 23781 + ... + 23947.

It is an arithmetic number, because the mean of its divisors is an integer number (248850).

Almost surely, 2^3985288 is an apocalyptic number.

3985288 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3985288 is a deficient number, since it is larger than the sum of its proper divisors (3977912).

3985288 is a wasteful number, since it uses less digits than its factorization.

3985288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 345 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 3985288 is about 1996.3186118453. The cubic root of 3985288 is about 158.5452507407.

The spelling of 3985288 in words is "three million, nine hundred eighty-five thousand, two hundred eighty-eight".