2538420 has 24 divisors (see below), whose sum is σ = 7107744. Its totient is φ = 676896.

The previous prime is 2538407. The next prime is 2538421. The reversal of 2538420 is 248352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21094 + ... + 21213.

It is an arithmetic number, because the mean of its divisors is an integer number (296156).

2^2538420 is an apocalyptic number.

2538420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2538420 is an abundant number, since it is smaller than the sum of its proper divisors (4569324).

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

2538420 is a wasteful number, since it uses less digits than its factorization.

2538420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42319 (or 42317 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2538420 is about 1593.2419778552. The cubic root of 2538420 is about 136.4126022131.

The spelling of 2538420 in words is "two million, five hundred thirty-eight thousand, four hundred twenty".