4231865 has 8 divisors (see below), whose sum is σ = 5539968. Its totient is φ = 3077680.

The previous prime is 4231859. The next prime is 4231873. The reversal of 4231865 is 5681324.

4231865 = 220² + 221² + ... + 285².

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

It is not a de Polignac number, because 4231865 - 2⁴ = 4231849 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 2⁷ + 3⁵ + 1 + 8⁵ + 6⁴ + 5⁵ .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38417 + ... + 38526.

It is an arithmetic number, because the mean of its divisors is an integer number (692496).

Almost surely, 2^4231865 is an apocalyptic number.

It is an amenable number.

4231865 is a deficient number, since it is larger than the sum of its proper divisors (1308103).

4231865 is a wasteful number, since it uses less digits than its factorization.

4231865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76959.

The product of its digits is 5760, while the sum is 29.

The square root of 4231865 is about 2057.1497271711. The cubic root of 4231865 is about 161.7498680152.

The spelling of 4231865 in words is "four million, two hundred thirty-one thousand, eight hundred sixty-five".