2079842 has 4 divisors (see below), whose sum is σ = 3119766. Its totient is φ = 1039920.

The previous prime is 2079839. The next prime is 2079859. The reversal of 2079842 is 2489702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1560001 + 519841 = 1249^2 + 721^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2079799 and 2079808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519959 + ... + 519962.

2^2079842 is an apocalyptic number.

2079842 is a deficient number, since it is larger than the sum of its proper divisors (1039924).

2079842 is a wasteful number, since it uses less digits than its factorization.

2079842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039923.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2079842 is about 1442.1657325009. The cubic root of 2079842 is about 127.6468537297.

The spelling of 2079842 in words is "two million, seventy-nine thousand, eight hundred forty-two".