1930389952 has 14 divisors (see below), whose sum is σ = 3830617688. Its totient is φ = 965194944.

The previous prime is 1930389943. The next prime is 1930389971. The reversal of 1930389952 is 2599830391.

It is a junction number, because it is equal to n+sod(n) for n = 1930389896 and 1930389905.

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, 15081108 + ... + 15081235.

Almost surely, 2^1930389952 is an apocalyptic number.

It is an amenable number.

1930389952 is a deficient number, since it is larger than the sum of its proper divisors (1900227736).

1930389952 is an equidigital number, since it uses as much as digits as its factorization.

1930389952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30162355 (or 30162345 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 1930389952 is about 43936.2032041914. The cubic root of 1930389952 is about 1245.1309146594.

The spelling of 1930389952 in words is "one billion, nine hundred thirty million, three hundred eighty-nine thousand, nine hundred fifty-two".