4231655 has 16 divisors (see below), whose sum is σ = 5474304. Its totient is φ = 3131040.

The previous prime is 4231637. The next prime is 4231663. The reversal of 4231655 is 5561324.

It is not a de Polignac number, because 4231655 - 2⁸ = 4231399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2972 + ... + 4158.

It is an arithmetic number, because the mean of its divisors is an integer number (342144).

Almost surely, 2^4231655 is an apocalyptic number.

4231655 is a deficient number, since it is larger than the sum of its proper divisors (1242649).

4231655 is a wasteful number, since it uses less digits than its factorization.

4231655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246.

The product of its digits is 3600, while the sum is 26.

The square root of 4231655 is about 2057.0986850416. The cubic root of 4231655 is about 161.7471924388.

Adding to 4231655 its reverse (5561324), we get a palindrome (9792979).

The spelling of 4231655 in words is "four million, two hundred thirty-one thousand, six hundred fifty-five".