2623420 has 12 divisors (see below), whose sum is σ = 5509224. Its totient is φ = 1049360.

The previous prime is 2623409. The next prime is 2623421. The reversal of 2623420 is 243262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2623421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65566 + ... + 65605.

It is an arithmetic number, because the mean of its divisors is an integer number (459102).

2^2623420 is an apocalyptic number.

2623420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2623420 is an abundant number, since it is smaller than the sum of its proper divisors (2885804).

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

2623420 is a wasteful number, since it uses less digits than its factorization.

2623420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131180 (or 131178 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2623420 is about 1619.6975026220. The cubic root of 2623420 is about 137.9185264376.

Adding to 2623420 its reverse (243262), we get a palindrome (2866682).

The spelling of 2623420 in words is "two million, six hundred twenty-three thousand, four hundred twenty".