3835986 has 96 divisors (see below), whose sum is σ = 10533888. Its totient is φ = 902880.

The previous prime is 3835973. The next prime is 3835991. The reversal of 3835986 is 6895383.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a d-powerful number, because it can be written as 3³ + 8 + 3¹⁰ + 5³ + 9 + 8⁷ + 6⁸ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 166771 + ... + 166793.

It is an arithmetic number, because the mean of its divisors is an integer number (109728).

Almost surely, 2^3835986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3835986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5266944).

3835986 is an abundant number, since it is smaller than the sum of its proper divisors (6697902).

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

3835986 is a wasteful number, since it uses less digits than its factorization.

3835986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 65 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 3835986 is about 1958.5673335375. The cubic root of 3835986 is about 156.5401231560.

The spelling of 3835986 in words is "three million, eight hundred thirty-five thousand, nine hundred eighty-six".