4492187 has 8 divisors (see below), whose sum is σ = 5311200. Its totient is φ = 3717504.

The previous prime is 4492171. The next prime is 4492193. The reversal of 4492187 is 7812944.

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

It is not a de Polignac number, because 4492187 - 2⁴ = 4492171 is a prime.

It is a d-powerful number, because it can be written as 4⁷ + 4¹¹ + 9 + 2¹⁷ + 1 + 8⁵ + 7⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4492157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10862 + ... + 11267.

It is an arithmetic number, because the mean of its divisors is an integer number (663900).

Almost surely, 2^4492187 is an apocalyptic number.

4492187 is a deficient number, since it is larger than the sum of its proper divisors (819013).

4492187 is a wasteful number, since it uses less digits than its factorization.

4492187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22165.

The product of its digits is 16128, while the sum is 35.

The square root of 4492187 is about 2119.4780017731. The cubic root of 4492187 is about 165.0007591027. Note that the first 3 decimals are identical.

The spelling of 4492187 in words is "four million, four hundred ninety-two thousand, one hundred eighty-seven".