2402842 has 12 divisors (see below), whose sum is σ = 3903390. Its totient is φ = 1108848.

The previous prime is 2402839. The next prime is 2402849. The reversal of 2402842 is 2482042.

It can be written as a sum of positive squares in 3 ways, for example, as 741321 + 1661521 = 861^2 + 1289^2 .

It is not an unprimeable number, because it can be changed into a prime (2402849) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3217 + ... + 3892.

2^2402842 is an apocalyptic number.

2402842 is a deficient number, since it is larger than the sum of its proper divisors (1500548).

2402842 is a wasteful number, since it uses less digits than its factorization.

2402842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7137 (or 7124 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2402842 is about 1550.1103186548. The cubic root of 2402842 is about 133.9394171822.

Adding to 2402842 its reverse (2482042), we get a palindrome (4884884).

The spelling of 2402842 in words is "two million, four hundred two thousand, eight hundred forty-two".