4642189 has 4 divisors (see below), whose sum is σ = 4649724. Its totient is φ = 4634656.

The previous prime is 4642181. The next prime is 4642199. The reversal of 4642189 is 9812464.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2340900 + 2301289 = 1530^2 + 1517^2 .

It is a cyclic number.

It is not a de Polignac number, because 4642189 - 2³ = 4642181 is a prime.

It is a super-3 number, since 3×4642189³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4642181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2752 + ... + 4105.

It is an arithmetic number, because the mean of its divisors is an integer number (1162431).

Almost surely, 2^4642189 is an apocalyptic number.

It is an amenable number.

4642189 is a deficient number, since it is larger than the sum of its proper divisors (7535).

4642189 is an equidigital number, since it uses as much as digits as its factorization.

4642189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7534.

The product of its digits is 13824, while the sum is 34.

The square root of 4642189 is about 2154.5739718097. The cubic root of 4642189 is about 166.8172430307.

The spelling of 4642189 in words is "four million, six hundred forty-two thousand, one hundred eighty-nine".