3389820 has 72 divisors (see below), whose sum is σ = 11050704. Its totient is φ = 774144.

The previous prime is 3389801. The next prime is 3389857. The reversal of 3389820 is 289833.

It is a super-2 number, since 2×3389820² = 22981759264800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2364 + ... + 3516.

It is an arithmetic number, because the mean of its divisors is an integer number (153482).

Almost surely, 2^3389820 is an apocalyptic number.

3389820 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 3389820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5525352).

3389820 is an abundant number, since it is smaller than the sum of its proper divisors (7660884).

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

3389820 is a wasteful number, since it uses less digits than its factorization.

3389820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179 (or 1170 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 3389820 is about 1841.1463820131. The cubic root of 3389820 is about 150.2192349730.

The spelling of 3389820 in words is "three million, three hundred eighty-nine thousand, eight hundred twenty".