3393390 has 128 divisors (see below), whose sum is σ = 11031552. Its totient is φ = 645120.

The previous prime is 3393373. The next prime is 3393409. The reversal of 3393390 is 933933.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29974 + ... + 30086.

It is an arithmetic number, because the mean of its divisors is an integer number (86184).

Almost surely, 2^3393390 is an apocalyptic number.

3393390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3393390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5515776).

3393390 is an abundant number, since it is smaller than the sum of its proper divisors (7638162).

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

3393390 is a wasteful number, since it uses less digits than its factorization.

3393390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154.

The product of its (nonzero) digits is 6561, while the sum is 30.

The square root of 3393390 is about 1842.1156315498. The cubic root of 3393390 is about 150.2719510971.

It can be divided in two parts, 3 and 393390, that added together give a palindrome (393393).

The spelling of 3393390 in words is "three million, three hundred ninety-three thousand, three hundred ninety".