3386440 has 32 divisors (see below), whose sum is σ = 7868160. Its totient is φ = 1310400.

The previous prime is 3386431. The next prime is 3386473. The reversal of 3386440 is 446833.

It is a super-2 number, since 2×3386440² = 22935951747200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3386399 and 3386408.

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, 126 + ... + 2605.

It is an arithmetic number, because the mean of its divisors is an integer number (245880).

Almost surely, 2^3386440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3386440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3934080).

3386440 is an abundant number, since it is smaller than the sum of its proper divisors (4481720).

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

3386440 is a wasteful number, since it uses less digits than its factorization.

3386440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773 (or 2769 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 3386440 is about 1840.2282467129. The cubic root of 3386440 is about 150.1692903481.

The spelling of 3386440 in words is "three million, three hundred eighty-six thousand, four hundred forty".