4170945 has 8 divisors (see below), whose sum is σ = 6673536. Its totient is φ = 2224496.

The previous prime is 4170913. The next prime is 4170953. The reversal of 4170945 is 5490714.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4170945 - 2⁵ = 4170913 is a prime.

It is a Curzon number.

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, 139017 + ... + 139046.

It is an arithmetic number, because the mean of its divisors is an integer number (834192).

Almost surely, 2^4170945 is an apocalyptic number.

It is an amenable number.

4170945 is a deficient number, since it is larger than the sum of its proper divisors (2502591).

4170945 is a wasteful number, since it uses less digits than its factorization.

4170945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278071.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 4170945 is about 2042.2891568042. The cubic root of 4170945 is about 160.9699544000.

It can be divided in two parts, 4170 and 945, that added together give a palindrome (5115).

The spelling of 4170945 in words is "four million, one hundred seventy thousand, nine hundred forty-five".