19948593 has 16 divisors (see below), whose sum is σ = 31379456. Its totient is φ = 11031120.

The previous prime is 19948583. The next prime is 19948601. The reversal of 19948593 is 39584991.

19948593 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 19948593 - 2⁶ = 19948529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19948583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14671 + ... + 15972.

It is an arithmetic number, because the mean of its divisors is an integer number (1961216).

Almost surely, 2^19948593 is an apocalyptic number.

It is an amenable number.

19948593 is a deficient number, since it is larger than the sum of its proper divisors (11430863).

19948593 is a wasteful number, since it uses less digits than its factorization.

19948593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30684.

The product of its digits is 349920, while the sum is 48.

The square root of 19948593 is about 4466.3847796624. The cubic root of 19948593 is about 271.2089953378.

The spelling of 19948593 in words is "nineteen million, nine hundred forty-eight thousand, five hundred ninety-three".