2431242 has 32 divisors (see below), whose sum is σ = 5895360. Its totient is φ = 736560.

The previous prime is 2431241. The next prime is 2431279. The reversal of 2431242 is 2421342.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2431241) 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, 1453 + ... + 2640.

It is an arithmetic number, because the mean of its divisors is an integer number (184230).

2^2431242 is an apocalyptic number.

2431242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2431242 is an abundant number, since it is smaller than the sum of its proper divisors (3464118).

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

2431242 is a wasteful number, since it uses less digits than its factorization.

2431242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115 (or 4109 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 2431242 is about 1559.2440476077. The cubic root of 2431242 is about 134.4650434531.

Adding to 2431242 its reverse (2421342), we get a palindrome (4852584).

It can be divided in two parts, 243 and 1242, that added together give a triangular number (1485 = T₅₄).

The spelling of 2431242 in words is "two million, four hundred thirty-one thousand, two hundred forty-two".