3389440 has 48 divisors (see below), whose sum is σ = 8157240. Its totient is φ = 1351680.

The previous prime is 3389437. The next prime is 3389453. The reversal of 3389440 is 449833.

It is a super-2 number, since 2×3389440² = 22976607027200, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10075 + ... + 10405.

Almost surely, 2^3389440 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 3389440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4078620).

3389440 is an abundant number, since it is smaller than the sum of its proper divisors (4767800).

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

3389440 is an equidigital number, since it uses as much as digits as its factorization.

3389440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 3389440 is about 1841.0431825462. The cubic root of 3389440 is about 150.2136215537.

The spelling of 3389440 in words is "three million, three hundred eighty-nine thousand, four hundred forty".