4155963 has 16 divisors (see below), whose sum is σ = 6422016. Its totient is φ = 2341440.

The previous prime is 4155929. The next prime is 4155989. The reversal of 4155963 is 3695514.

It is a happy number.

It is not a de Polignac number, because 4155963 - 2¹³ = 4147771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4155913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178 + ... + 2888.

It is an arithmetic number, because the mean of its divisors is an integer number (401376).

Almost surely, 2^4155963 is an apocalyptic number.

4155963 is a deficient number, since it is larger than the sum of its proper divisors (2266053).

4155963 is a wasteful number, since it uses less digits than its factorization.

4155963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794.

The product of its digits is 16200, while the sum is 33.

The square root of 4155963 is about 2038.6179141762. The cubic root of 4155963 is about 160.7769889227.

The spelling of 4155963 in words is "four million, one hundred fifty-five thousand, nine hundred sixty-three".