2990540 has 48 divisors (see below), whose sum is σ = 7366464. Its totient is φ = 998400.

The previous prime is 2990531. The next prime is 2990551. The reversal of 2990540 is 450992.

2990540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5480 + ... + 6000.

It is an arithmetic number, because the mean of its divisors is an integer number (153468).

2^2990540 is an apocalyptic number.

2990540 is a gapful number since it is divisible by the number (20) 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 2990540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3683232).

2990540 is an abundant number, since it is smaller than the sum of its proper divisors (4375924).

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

2990540 is a wasteful number, since it uses less digits than its factorization.

2990540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 2990540 is about 1729.3177845613. The cubic root of 2990540 is about 144.0732009515.

The spelling of 2990540 in words is "two million, nine hundred ninety thousand, five hundred forty".