2042426 has 8 divisors (see below), whose sum is σ = 3084384. Its totient is φ = 1014300.

The previous prime is 2042419. The next prime is 2042429. The reversal of 2042426 is 6242402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2042398 and 2042407.

It is not an unprimeable number, because it can be changed into a prime (2042429) 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, 3080 + ... + 3683.

It is an arithmetic number, because the mean of its divisors is an integer number (385548).

2^2042426 is an apocalyptic number.

2042426 is a deficient number, since it is larger than the sum of its proper divisors (1041958).

2042426 is a wasteful number, since it uses less digits than its factorization.

2042426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6916.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2042426 is about 1429.1347032383. The cubic root of 2042426 is about 126.8767688850.

Adding to 2042426 its reverse (6242402), we get a palindrome (8284828).

The spelling of 2042426 in words is "two million, forty-two thousand, four hundred twenty-six".