3030990 has 32 divisors (see below), whose sum is σ = 7382016. Its totient is φ = 796320.

The previous prime is 3030971. The next prime is 3030997. The reversal of 3030990 is 990303.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3030990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1419 + ... + 2841.

It is an arithmetic number, because the mean of its divisors is an integer number (230688).

Almost surely, 2^3030990 is an apocalyptic number.

3030990 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 3030990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3691008).

3030990 is an abundant number, since it is smaller than the sum of its proper divisors (4351026).

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

3030990 is a wasteful number, since it uses less digits than its factorization.

3030990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504.

The product of its (nonzero) digits is 729, while the sum is 24.

The square root of 3030990 is about 1740.9738653983. The cubic root of 3030990 is about 144.7198713697.

The spelling of 3030990 in words is "three million, thirty thousand, nine hundred ninety".