2920530 has 32 divisors (see below), whose sum is σ = 7118784. Its totient is φ = 766656.

The previous prime is 2920523. The next prime is 2920531. The reversal of 2920530 is 350292.

It is a junction number, because it is equal to n+sod(n) for n = 2920497 and 2920506.

It is not an unprimeable number, because it can be changed into a prime (2920531) 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, 1284 + ... + 2736.

It is an arithmetic number, because the mean of its divisors is an integer number (222462).

2^2920530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2920530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3559392).

2920530 is an abundant number, since it is smaller than the sum of its proper divisors (4198254).

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

2920530 is a wasteful number, since it uses less digits than its factorization.

2920530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 2920530 is about 1708.9558215472. The cubic root of 2920530 is about 142.9400371286.

The spelling of 2920530 in words is "two million, nine hundred twenty thousand, five hundred thirty".