3394440 has 128 divisors (see below), whose sum is σ = 12960000. Its totient is φ = 774144.

The previous prime is 3394429. The next prime is 3394453. The reversal of 3394440 is 444933.

3394440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7336 + ... + 7784.

It is an arithmetic number, because the mean of its divisors is an integer number (101250).

Almost surely, 2^3394440 is an apocalyptic number.

3394440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3394440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6480000).

3394440 is an abundant number, since it is smaller than the sum of its proper divisors (9565560).

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

3394440 is a wasteful number, since it uses less digits than its factorization.

3394440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 3394440 is about 1842.4006079026. The cubic root of 3394440 is about 150.2874488027.

The spelling of 3394440 in words is "three million, three hundred ninety-four thousand, four hundred forty".