3985038 has 40 divisors (see below), whose sum is σ = 9461232. Its totient is φ = 1249344.

The previous prime is 3985031. The next prime is 3985039. The reversal of 3985038 is 8305893.

It is a super-2 number, since 2×3985038² = 31761055722888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3984993 and 3985011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3985031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2031 + ... + 3477.

Almost surely, 2^3985038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3985038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4730616).

3985038 is an abundant number, since it is smaller than the sum of its proper divisors (5476194).

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

3985038 is a wasteful number, since it uses less digits than its factorization.

3985038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478 (or 1469 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 3985038 is about 1996.2559956078. The cubic root of 3985038 is about 158.5419354519.

The spelling of 3985038 in words is "three million, nine hundred eighty-five thousand, thirty-eight".