4002170 has 8 divisors (see below), whose sum is σ = 7203924. Its totient is φ = 1600864.

The previous prime is 4002169. The next prime is 4002197. The reversal of 4002170 is 712004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3988009 + 14161 = 1997^2 + 119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200099 + ... + 200118.

Almost surely, 2^4002170 is an apocalyptic number.

4002170 is a deficient number, since it is larger than the sum of its proper divisors (3201754).

4002170 is a wasteful number, since it uses less digits than its factorization.

4002170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400224.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 4002170 is about 2000.5424264434. The cubic root of 4002170 is about 158.7688055098.

Adding to 4002170 its reverse (712004), we get a palindrome (4714174).

The spelling of 4002170 in words is "four million, two thousand, one hundred seventy".