1928314079 has 4 divisors (see below), whose sum is σ = 1929511176. Its totient is φ = 1927116984.

The previous prime is 1928314039. The next prime is 1928314099. The reversal of 1928314079 is 9704138291.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9704138291 = 1163 ⋅8344057.

It is a cyclic number.

It is not a de Polignac number, because 1928314079 - 2⁸ = 1928313823 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 (1928314039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596129 + ... + 599354.

It is an arithmetic number, because the mean of its divisors is an integer number (482377794).

Almost surely, 2^1928314079 is an apocalyptic number.

1928314079 is a deficient number, since it is larger than the sum of its proper divisors (1197097).

1928314079 is a wasteful number, since it uses less digits than its factorization.

1928314079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197096.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 1928314079 is about 43912.5731311660. The cubic root of 1928314079 is about 1244.6844313450.

The spelling of 1928314079 in words is "one billion, nine hundred twenty-eight million, three hundred fourteen thousand, seventy-nine".