2623820 has 24 divisors (see below), whose sum is σ = 5558784. Its totient is φ = 1040256.

The previous prime is 2623807. The next prime is 2623847. The reversal of 2623820 is 283262.

2623820 is nontrivially palindromic in base 11.

2623820 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2024 + ... + 3056.

It is an arithmetic number, because the mean of its divisors is an integer number (231616).

2^2623820 is an apocalyptic number.

2623820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2623820 is an abundant number, since it is smaller than the sum of its proper divisors (2934964).

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

2623820 is a wasteful number, since it uses less digits than its factorization.

2623820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169 (or 1167 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2623820 is about 1619.8209777627. The cubic root of 2623820 is about 137.9255356860.

It can be divided in two parts, 2623 and 820, that added together give a palindrome (3443).

The spelling of 2623820 in words is "two million, six hundred twenty-three thousand, eight hundred twenty".