1928695434 has 16 divisors (see below), whose sum is σ = 4060411680. Its totient is φ = 609061680.

The previous prime is 1928695421. The next prime is 1928695451. The reversal of 1928695434 is 4345968291.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8459077 + ... + 8459304.

It is an arithmetic number, because the mean of its divisors is an integer number (253775730).

Almost surely, 2^1928695434 is an apocalyptic number.

1928695434 is an abundant number, since it is smaller than the sum of its proper divisors (2131716246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1928695434 is a wasteful number, since it uses less digits than its factorization.

1928695434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16918405.

The product of its digits is 1866240, while the sum is 51.

The square root of 1928695434 is about 43916.9151239019. The cubic root of 1928695434 is about 1244.7664780318.

The spelling of 1928695434 in words is "one billion, nine hundred twenty-eight million, six hundred ninety-five thousand, four hundred thirty-four".