4189045 has 8 divisors (see below), whose sum is σ = 5745024. Its totient is φ = 2872464.

The previous prime is 4189039. The next prime is 4189057. The reversal of 4189045 is 5409814.

It is a happy number.

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

It is not a de Polignac number, because 4189045 - 2⁹ = 4188533 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4188998 and 4189016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59809 + ... + 59878.

It is an arithmetic number, because the mean of its divisors is an integer number (718128).

Almost surely, 2^4189045 is an apocalyptic number.

It is an amenable number.

4189045 is a deficient number, since it is larger than the sum of its proper divisors (1555979).

4189045 is a wasteful number, since it uses less digits than its factorization.

4189045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119699.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 4189045 is about 2046.7156617371. The cubic root of 4189045 is about 161.2024638036.

The spelling of 4189045 in words is "four million, one hundred eighty-nine thousand, forty-five".