2117370 has 32 divisors (see below), whose sum is σ = 5124672. Its totient is φ = 559872.

The previous prime is 2117369. The next prime is 2117389. The reversal of 2117370 is 737112.

2117370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4674 + ... + 5106.

It is an arithmetic number, because the mean of its divisors is an integer number (160146).

2^2117370 is an apocalyptic number.

2117370 is an abundant number, since it is smaller than the sum of its proper divisors (3007302).

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

2117370 is a wasteful number, since it uses less digits than its factorization.

2117370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 2117370 is about 1455.1185518713. The cubic root of 2117370 is about 128.4100214420.

It can be divided in two parts, 21 and 17370, that added together give a triangular number (17391 = T₁₈₆).

The spelling of 2117370 in words is "two million, one hundred seventeen thousand, three hundred seventy".