19320983 has 8 divisors (see below), whose sum is σ = 21367056. Its totient is φ = 17323200.

The previous prime is 19320947. The next prime is 19321007. The reversal of 19320983 is 38902391.

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 19320983 - 2⁸ = 19320727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19320083) 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, 11228 + ... + 12833.

It is an arithmetic number, because the mean of its divisors is an integer number (2670882).

Almost surely, 2^19320983 is an apocalyptic number.

19320983 is a deficient number, since it is larger than the sum of its proper divisors (2046073).

19320983 is a wasteful number, since it uses less digits than its factorization.

19320983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24145.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 19320983 is about 4395.5640138667. The cubic root of 19320983 is about 268.3344334236.

The spelling of 19320983 in words is "nineteen million, three hundred twenty thousand, nine hundred eighty-three".