4172086 has 4 divisors (see below), whose sum is σ = 6258132. Its totient is φ = 2086042.

The previous prime is 4172071. The next prime is 4172087. The reversal of 4172086 is 6802714.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6802714 = 2 ⋅3401357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4172087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043020 + ... + 1043023.

It is an arithmetic number, because the mean of its divisors is an integer number (1564533).

Almost surely, 2^4172086 is an apocalyptic number.

4172086 is a deficient number, since it is larger than the sum of its proper divisors (2086046).

4172086 is a wasteful number, since it uses less digits than its factorization.

4172086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086045.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 4172086 is about 2042.5684811041. The cubic root of 4172086 is about 160.9846313275.

It can be divided in two parts, 41 and 72086, that added together give a palindrome (72127).

The spelling of 4172086 in words is "four million, one hundred seventy-two thousand, eighty-six".