2170146 has 32 divisors (see below), whose sum is σ = 4790016. Its totient is φ = 650000.

The previous prime is 2170141. The next prime is 2170153. The reversal of 2170146 is 6410712.

It is a super-2 number, since 2×2170146² = 9419067322632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2170141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8521 + ... + 8771.

It is an arithmetic number, because the mean of its divisors is an integer number (149688).

2^2170146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2170146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2395008).

2170146 is an abundant number, since it is smaller than the sum of its proper divisors (2619870).

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

2170146 is a wasteful number, since it uses less digits than its factorization.

2170146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 2170146 is about 1473.1415410611. The cubic root of 2170146 is about 129.4681624949.

Adding to 2170146 its reverse (6410712), we get a palindrome (8580858).

The spelling of 2170146 in words is "two million, one hundred seventy thousand, one hundred forty-six".