1993153 has 8 divisors (see below), whose sum is σ = 2070848. Its totient is φ = 1916784.

The previous prime is 1993151. The next prime is 1993163. The reversal of 1993153 is 3513991.

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 1993153 - 2¹ = 1993151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1993151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3550 + ... + 4072.

It is an arithmetic number, because the mean of its divisors is an integer number (258856).

2^1993153 is an apocalyptic number.

It is an amenable number.

1993153 is a deficient number, since it is larger than the sum of its proper divisors (77695).

1993153 is a wasteful number, since it uses less digits than its factorization.

1993153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663.

The product of its digits is 3645, while the sum is 31.

The square root of 1993153 is about 1411.7907068684. The cubic root of 1993153 is about 125.8481626116.

The spelling of 1993153 in words is "one million, nine hundred ninety-three thousand, one hundred fifty-three".