4157389 has 8 divisors (see below), whose sum is σ = 4239872. Its totient is φ = 4075920.

The previous prime is 4157347. The next prime is 4157399. The reversal of 4157389 is 9837514.

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

It is a cyclic number.

It is not a de Polignac number, because 4157389 - 2¹⁵ = 4124621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4157339) by changing a digit.

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, 18532 + ... + 18754.

It is an arithmetic number, because the mean of its divisors is an integer number (529984).

Almost surely, 2^4157389 is an apocalyptic number.

It is an amenable number.

4157389 is a deficient number, since it is larger than the sum of its proper divisors (82483).

4157389 is a wasteful number, since it uses less digits than its factorization.

4157389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507.

The product of its digits is 30240, while the sum is 37.

The square root of 4157389 is about 2038.9676309348. The cubic root of 4157389 is about 160.7953754971.

The spelling of 4157389 in words is "four million, one hundred fifty-seven thousand, three hundred eighty-nine".