2623520 has 48 divisors (see below), whose sum is σ = 6531840. Its totient is φ = 993024.

The previous prime is 2623487. The next prime is 2623529. The reversal of 2623520 is 253262.

2623520 = T₁₅₅ + T₁₅₆ + ... + T₂₆₈.

It is a happy number.

2623520 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2623492 and 2623501.

It is not an unprimeable number, because it can be changed into a prime (2623529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2609 + ... + 3471.

It is an arithmetic number, because the mean of its divisors is an integer number (136080).

2^2623520 is an apocalyptic number.

2623520 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 2623520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3265920).

2623520 is an abundant number, since it is smaller than the sum of its proper divisors (3908320).

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

2623520 is a wasteful number, since it uses less digits than its factorization.

2623520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2623520 is about 1619.7283722896. The cubic root of 2623520 is about 137.9202788165.

Adding to 2623520 its reverse (253262), we get a palindrome (2876782).

The spelling of 2623520 in words is "two million, six hundred twenty-three thousand, five hundred twenty".