3030840 has 48 divisors (see below), whose sum is σ = 9851400. Its totient is φ = 808128.

The previous prime is 3030829. The next prime is 3030847. The reversal of 3030840 is 480303.

It is a super-2 number, since 2×3030840² = 18371982211200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3850 + ... + 4569.

Almost surely, 2^3030840 is an apocalyptic number.

3030840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3030840 is an abundant number, since it is smaller than the sum of its proper divisors (6820560).

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

3030840 is a wasteful number, since it uses less digits than its factorization.

3030840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8436 (or 8429 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3030840 is about 1740.9307855282. The cubic root of 3030840 is about 144.7174839936.

The spelling of 3030840 in words is "three million, thirty thousand, eight hundred forty".