3993155 has 8 divisors (see below), whose sum is σ = 4957200. Its totient is φ = 3084256.

The previous prime is 3993127. The next prime is 3993161. The reversal of 3993155 is 5513993.

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 3993155 - 2⁶ = 3993091 is a prime.

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, 13625 + ... + 13914.

It is an arithmetic number, because the mean of its divisors is an integer number (619650).

Almost surely, 2^3993155 is an apocalyptic number.

3993155 is a deficient number, since it is larger than the sum of its proper divisors (964045).

3993155 is a wasteful number, since it uses less digits than its factorization.

3993155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27573.

The product of its digits is 18225, while the sum is 35.

The square root of 3993155 is about 1998.2880172788. The cubic root of 3993155 is about 158.6495054959.

The spelling of 3993155 in words is "three million, nine hundred ninety-three thousand, one hundred fifty-five".