2406042 has 12 divisors (see below), whose sum is σ = 5213130. Its totient is φ = 802008.

The previous prime is 2406029. The next prime is 2406067.

2406042 is nontrivially palindromic in base 10.

2406042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2405601 + 441 = 1551^2 + 21^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 133669 = 2406042 / (2 + 4 + 0 + 6 + 0 + 4 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66817 + ... + 66852.

2^2406042 is an apocalyptic number.

2406042 is an abundant number, since it is smaller than the sum of its proper divisors (2807088).

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

2406042 is a wasteful number, since it uses less digits than its factorization.

2406042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133677 (or 133674 counting only the distinct ones).

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

The square root of 2406042 is about 1551.1421598293. The cubic root of 2406042 is about 133.9988490285.

The spelling of 2406042 in words is "two million, four hundred six thousand, forty-two".