4238965 has 8 divisors (see below), whose sum is σ = 5136768. Its totient is φ = 3357840.

The previous prime is 4238963. The next prime is 4238989. The reversal of 4238965 is 5698324.

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

It is not a de Polignac number, because 4238965 - 2¹ = 4238963 is a prime.

It is a d-powerful number, because it can be written as 4⁷ + 2²² + 3⁹ + 8² + 9³ + 6⁵ + 5² .

It is a Duffinian number.

4238965 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4238963) 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, 3601 + ... + 4630.

It is an arithmetic number, because the mean of its divisors is an integer number (642096).

Almost surely, 2^4238965 is an apocalyptic number.

It is an amenable number.

4238965 is a deficient number, since it is larger than the sum of its proper divisors (897803).

4238965 is a wasteful number, since it uses less digits than its factorization.

4238965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8339.

The product of its digits is 51840, while the sum is 37.

The square root of 4238965 is about 2058.8746926416. The cubic root of 4238965 is about 161.8402759406.

The spelling of 4238965 in words is "four million, two hundred thirty-eight thousand, nine hundred sixty-five".