4155632 has 20 divisors (see below), whose sum is σ = 8671320. Its totient is φ = 1917888.

The previous prime is 4155631. The next prime is 4155647. The reversal of 4155632 is 2365514.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9782 + ... + 10197.

It is an arithmetic number, because the mean of its divisors is an integer number (433566).

Almost surely, 2^4155632 is an apocalyptic number.

It is an amenable number.

4155632 is an abundant number, since it is smaller than the sum of its proper divisors (4515688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4155632 is a wasteful number, since it uses less digits than its factorization.

4155632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20000 (or 19994 counting only the distinct ones).

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

The square root of 4155632 is about 2038.5367301081. The cubic root of 4155632 is about 160.7727204699.

The spelling of 4155632 in words is "four million, one hundred fifty-five thousand, six hundred thirty-two".