4023655 has 8 divisors (see below), whose sum is σ = 4858992. Its totient is φ = 3198528.

The previous prime is 4023653. The next prime is 4023659. The reversal of 4023655 is 5563204.

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 4023655 - 2¹ = 4023653 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 (4023653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1654 + ... + 3283.

It is an arithmetic number, because the mean of its divisors is an integer number (607374).

Almost surely, 2^4023655 is an apocalyptic number.

4023655 is a deficient number, since it is larger than the sum of its proper divisors (835337).

4023655 is a wasteful number, since it uses less digits than its factorization.

4023655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 4023655 is about 2005.9050326474. The cubic root of 4023655 is about 159.0524068113.

Adding to 4023655 its reverse (5563204), we get a palindrome (9586859).

The spelling of 4023655 in words is "four million, twenty-three thousand, six hundred fifty-five".