1930204797 has 8 divisors (see below), whose sum is σ = 2577766560. Its totient is φ = 1284723120.

The previous prime is 1930204751. The next prime is 1930204891. The reversal of 1930204797 is 7974020391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1930204797 is a prime.

It is a super-2 number, since 2×1930204797² = 7451381116723622418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1930204747) by changing a digit.

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, 517854 + ... + 521567.

It is an arithmetic number, because the mean of its divisors is an integer number (322220820).

Almost surely, 2^1930204797 is an apocalyptic number.

It is an amenable number.

1930204797 is a deficient number, since it is larger than the sum of its proper divisors (647561763).

1930204797 is a wasteful number, since it uses less digits than its factorization.

1930204797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040043.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 1930204797 is about 43934.0960644463. The cubic root of 1930204797 is about 1245.0911041217.

The spelling of 1930204797 in words is "one billion, nine hundred thirty million, two hundred four thousand, seven hundred ninety-seven".