2042830 has 16 divisors (see below), whose sum is σ = 3733200. Its totient is φ = 804672.

The previous prime is 2042819. The next prime is 2042849. The reversal of 2042830 is 382402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2042798 and 2042807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855 + ... + 2194.

It is an arithmetic number, because the mean of its divisors is an integer number (233325).

2^2042830 is an apocalyptic number.

2042830 is a deficient number, since it is larger than the sum of its proper divisors (1690370).

2042830 is a wasteful number, since it uses less digits than its factorization.

2042830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2042830 is about 1429.2760405184. The cubic root of 2042830 is about 126.8851339103.

The spelling of 2042830 in words is "two million, forty-two thousand, eight hundred thirty".