3388986 has 32 divisors (see below), whose sum is σ = 7620480. Its totient is φ = 1116288.

The previous prime is 3388963. The next prime is 3388993. The reversal of 3388986 is 6898833.

It is a super-2 number, since 2×3388986² = 22970452216392, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4915 + ... + 5561.

It is an arithmetic number, because the mean of its divisors is an integer number (238140).

Almost surely, 2^3388986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3388986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3810240).

3388986 is an abundant number, since it is smaller than the sum of its proper divisors (4231494).

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

3388986 is a wasteful number, since it uses less digits than its factorization.

3388986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 749 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 3388986 is about 1840.9198787563. The cubic root of 3388986 is about 150.2069144448.

The spelling of 3388986 in words is "three million, three hundred eighty-eight thousand, nine hundred eighty-six".