2120394 has 16 divisors (see below), whose sum is σ = 4284000. Its totient is φ = 699600.

The previous prime is 2120387. The next prime is 2120411. The reversal of 2120394 is 4930212.

It is a self number, because there is not a number n which added to its sum of digits gives 2120394.

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, 1144 + ... + 2355.

It is an arithmetic number, because the mean of its divisors is an integer number (267750).

2^2120394 is an apocalyptic number.

2120394 is an abundant number, since it is smaller than the sum of its proper divisors (2163606).

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

2120394 is a wasteful number, since it uses less digits than its factorization.

2120394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3605.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2120394 is about 1456.1572717258. The cubic root of 2120394 is about 128.4711235310.

The spelling of 2120394 in words is "two million, one hundred twenty thousand, three hundred ninety-four".