3153993 has 8 divisors (see below), whose sum is σ = 4452768. Its totient is φ = 1978944.

The previous prime is 3153989. The next prime is 3154001. The reversal of 3153993 is 3993513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3153993 - 2² = 3153989 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3153923) 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, 30871 + ... + 30972.

It is an arithmetic number, because the mean of its divisors is an integer number (556596).

Almost surely, 2^3153993 is an apocalyptic number.

It is an amenable number.

3153993 is a deficient number, since it is larger than the sum of its proper divisors (1298775).

3153993 is a wasteful number, since it uses less digits than its factorization.

3153993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61863.

The product of its digits is 10935, while the sum is 33.

The square root of 3153993 is about 1775.9484789824. The cubic root of 3153993 is about 146.6516347083.

The spelling of 3153993 in words is "three million, one hundred fifty-three thousand, nine hundred ninety-three".