2442340 has 12 divisors (see below), whose sum is σ = 5128956. Its totient is φ = 976928.

The previous prime is 2442311. The next prime is 2442353. The reversal of 2442340 is 432442.

It can be written as a sum of positive squares in 2 ways, for example, as 1653796 + 788544 = 1286^2 + 888^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61039 + ... + 61078.

It is an arithmetic number, because the mean of its divisors is an integer number (427413).

2^2442340 is an apocalyptic number.

2442340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2442340 is an abundant number, since it is smaller than the sum of its proper divisors (2686616).

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

2442340 is a wasteful number, since it uses less digits than its factorization.

2442340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122126 (or 122124 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2442340 is about 1562.7987714354. The cubic root of 2442340 is about 134.6693324745.

Adding to 2442340 its reverse (432442), we get a palindrome (2874782).

The spelling of 2442340 in words is "two million, four hundred forty-two thousand, three hundred forty".