4007155 has 8 divisors (see below), whose sum is σ = 5091552. Its totient is φ = 3017088.

The previous prime is 4007149. The next prime is 4007183. The reversal of 4007155 is 5517004.

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 4007155 - 2³ = 4007147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23487 + ... + 23656.

It is an arithmetic number, because the mean of its divisors is an integer number (636444).

Almost surely, 2^4007155 is an apocalyptic number.

4007155 is a deficient number, since it is larger than the sum of its proper divisors (1084397).

4007155 is a wasteful number, since it uses less digits than its factorization.

4007155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47165.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 4007155 is about 2001.7879508080. The cubic root of 4007155 is about 158.8346976062.

The spelling of 4007155 in words is "four million, seven thousand, one hundred fifty-five".