1928983493 has 8 divisors (see below), whose sum is σ = 2085388320. Its totient is φ = 1778066640.

The previous prime is 1928983477. The next prime is 1928983519. The reversal of 1928983493 is 3943898291.

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 1928983493 - 2⁴ = 1928983477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1928983393) 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, 1371263 + ... + 1372668.

It is an arithmetic number, because the mean of its divisors is an integer number (260673540).

Almost surely, 2^1928983493 is an apocalyptic number.

It is an amenable number.

1928983493 is a deficient number, since it is larger than the sum of its proper divisors (156404827).

1928983493 is a wasteful number, since it uses less digits than its factorization.

1928983493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743987.

The product of its digits is 3359232, while the sum is 56.

The square root of 1928983493 is about 43920.1945920097. The cubic root of 1928983493 is about 1244.8284453649.

The spelling of 1928983493 in words is "one billion, nine hundred twenty-eight million, nine hundred eighty-three thousand, four hundred ninety-three".