2116842 has 32 divisors (see below), whose sum is σ = 5212032. Its totient is φ = 558144.

The previous prime is 2116837. The next prime is 2116867. The reversal of 2116842 is 2486112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1393 + ... + 2484.

It is an arithmetic number, because the mean of its divisors is an integer number (162876).

2^2116842 is an apocalyptic number.

2116842 is an abundant number, since it is smaller than the sum of its proper divisors (3095190).

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

2116842 is a wasteful number, since it uses less digits than its factorization.

2116842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902.

The product of its digits is 768, while the sum is 24.

The square root of 2116842 is about 1454.9371120430. The cubic root of 2116842 is about 128.3993468586.

The spelling of 2116842 in words is "two million, one hundred sixteen thousand, eight hundred forty-two".