4170947 has 4 divisors (see below), whose sum is σ = 4550136. Its totient is φ = 3791760.

The previous prime is 4170913. The next prime is 4170953. The reversal of 4170947 is 7490714.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4170947 is a prime.

It is a super-4 number, since 4×4170947⁴ (a number of 28 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4170977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189578 + ... + 189599.

It is an arithmetic number, because the mean of its divisors is an integer number (1137534).

Almost surely, 2^4170947 is an apocalyptic number.

4170947 is a deficient number, since it is larger than the sum of its proper divisors (379189).

4170947 is a wasteful number, since it uses less digits than its factorization.

4170947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379188.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 4170947 is about 2042.2896464508. The cubic root of 4170947 is about 160.9699801287.

The spelling of 4170947 in words is "four million, one hundred seventy thousand, nine hundred forty-seven".