1930247828 has 6 divisors (see below), whose sum is σ = 3377933706. Its totient is φ = 965123912.

The previous prime is 1930247797. The next prime is 1930247903. The reversal of 1930247828 is 8287420391.

It can be written as a sum of positive squares in only one way, i.e., 1841096464 + 89151364 = 42908^2 + 9442^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241280975 + ... + 241280982.

It is an arithmetic number, because the mean of its divisors is an integer number (562988951).

Almost surely, 2^1930247828 is an apocalyptic number.

It is an amenable number.

1930247828 is a deficient number, since it is larger than the sum of its proper divisors (1447685878).

1930247828 is a wasteful number, since it uses less digits than its factorization.

1930247828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482561961 (or 482561959 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 1930247828 is about 43934.5857838674. The cubic root of 1930247828 is about 1245.1003565281.

The spelling of 1930247828 in words is "one billion, nine hundred thirty million, two hundred forty-seven thousand, eight hundred twenty-eight".