3985672 has 8 divisors (see below), whose sum is σ = 7473150. Its totient is φ = 1992832.

The previous prime is 3985669. The next prime is 3985697. The reversal of 3985672 is 2765893.

It can be written as a sum of positive squares in only one way, i.e., 3632836 + 352836 = 1906^2 + 594^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 3⁸ + 9⁴ + 8 + 5⁷ + 6⁸ + 7⁶ + 2²¹ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249097 + ... + 249112.

Almost surely, 2^3985672 is an apocalyptic number.

It is an amenable number.

3985672 is a deficient number, since it is larger than the sum of its proper divisors (3487478).

3985672 is a wasteful number, since it uses less digits than its factorization.

3985672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498215 (or 498211 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 3985672 is about 1996.4147865611. The cubic root of 3985672 is about 158.5503427542.

The spelling of 3985672 in words is "three million, nine hundred eighty-five thousand, six hundred seventy-two".