4189390 has 8 divisors (see below), whose sum is σ = 7540920. Its totient is φ = 1675752.

The previous prime is 4189373. The next prime is 4189403. The reversal of 4189390 is 939814.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209460 + ... + 209479.

It is an arithmetic number, because the mean of its divisors is an integer number (942615).

Almost surely, 2^4189390 is an apocalyptic number.

4189390 is a deficient number, since it is larger than the sum of its proper divisors (3351530).

4189390 is a wasteful number, since it uses less digits than its factorization.

4189390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418946.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 4189390 is about 2046.7999413719. The cubic root of 4189390 is about 161.2068891021.

The spelling of 4189390 in words is "four million, one hundred eighty-nine thousand, three hundred ninety".