1684020793 has 8 divisors (see below), whose sum is σ = 2072641088. Its totient is φ = 1332411984.

The previous prime is 1684020733. The next prime is 1684020809. The reversal of 1684020793 is 3970204861.

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 1684020793 - 2¹³ = 1684012601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1684020703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9252771 + ... + 9252952.

It is an arithmetic number, because the mean of its divisors is an integer number (259080136).

Almost surely, 2^1684020793 is an apocalyptic number.

1684020793 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1684020793 is a deficient number, since it is larger than the sum of its proper divisors (388620295).

1684020793 is a wasteful number, since it uses less digits than its factorization.

1684020793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18505743.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 1684020793 is about 41036.8224037876. The cubic root of 1684020793 is about 1189.7320190768.

The spelling of 1684020793 in words is "one billion, six hundred eighty-four million, twenty thousand, seven hundred ninety-three".