2042630 has 32 divisors (see below), whose sum is σ = 3919104. Its totient is φ = 764896.

The previous prime is 2042627. The next prime is 2042647. The reversal of 2042630 is 362402.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2042599 and 2042608.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 19037 + ... + 19143.

It is an arithmetic number, because the mean of its divisors is an integer number (122472).

2^2042630 is an apocalyptic number.

2042630 is a deficient number, since it is larger than the sum of its proper divisors (1876474).

2042630 is a wasteful number, since it uses less digits than its factorization.

2042630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2042630 is about 1429.2060733148. The cubic root of 2042630 is about 126.8809929466.

The spelling of 2042630 in words is "two million, forty-two thousand, six hundred thirty".