3020340 has 48 divisors (see below), whose sum is σ = 8588160. Its totient is φ = 792960.

The previous prime is 3020333. The next prime is 3020351. The reversal of 3020340 is 430203.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3906 + ... + 4614.

It is an arithmetic number, because the mean of its divisors is an integer number (178920).

Almost surely, 2^3020340 is an apocalyptic number.

3020340 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 3020340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4294080).

3020340 is an abundant number, since it is smaller than the sum of its proper divisors (5567820).

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

3020340 is a wasteful number, since it uses less digits than its factorization.

3020340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 3020340 is about 1737.9125409525. The cubic root of 3020340 is about 144.5501715525.

3020340 divided by its sum of digits (12) gives a triangular number (251695 = T₇₀₉).

Adding to 3020340 its reverse (430203), we get a palindrome (3450543).

The spelling of 3020340 in words is "three million, twenty thousand, three hundred forty".