2169970 has 16 divisors (see below), whose sum is σ = 4261248. Its totient is φ = 789040.

The previous prime is 2169967. The next prime is 2169991. The reversal of 2169970 is 799612.

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, 9754 + ... + 9973.

It is an arithmetic number, because the mean of its divisors is an integer number (266328).

2^2169970 is an apocalyptic number.

2169970 is a deficient number, since it is larger than the sum of its proper divisors (2091278).

2169970 is a wasteful number, since it uses less digits than its factorization.

2169970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19745.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 2169970 is about 1473.0818035669. The cubic root of 2169970 is about 129.4646624212.

The spelling of 2169970 in words is "two million, one hundred sixty-nine thousand, nine hundred seventy".