19893093 has 8 divisors (see below), whose sum is σ = 28935456. Its totient is φ = 12056400.

The previous prime is 19893067. The next prime is 19893121. The reversal of 19893093 is 39039891.

It is a happy number.

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

It is not a de Polignac number, because 19893093 - 2⁹ = 19892581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19893793) 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, 301378 + ... + 301443.

It is an arithmetic number, because the mean of its divisors is an integer number (3616932).

Almost surely, 2^19893093 is an apocalyptic number.

It is an amenable number.

19893093 is a deficient number, since it is larger than the sum of its proper divisors (9042363).

19893093 is a wasteful number, since it uses less digits than its factorization.

19893093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602835.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 19893093 is about 4460.1673735410. The cubic root of 19893093 is about 270.9572469241.

The spelling of 19893093 in words is "nineteen million, eight hundred ninety-three thousand, ninety-three".