1923791452 has 24 divisors (see below), whose sum is σ = 3675313152. Its totient is φ = 873826800.

The previous prime is 1923791449. The next prime is 1923791479. The reversal of 1923791452 is 2541973291.

It is a junction number, because it is equal to n+sod(n) for n = 1923791399 and 1923791408.

It is a congruent number.

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, 49863 + ... + 79585.

It is an arithmetic number, because the mean of its divisors is an integer number (153138048).

Almost surely, 2^1923791452 is an apocalyptic number.

It is an amenable number.

1923791452 is a deficient number, since it is larger than the sum of its proper divisors (1751521700).

1923791452 is a wasteful number, since it uses less digits than its factorization.

1923791452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31209 (or 31207 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The square root of 1923791452 is about 43861.0470919243. The cubic root of 1923791452 is about 1243.7105840997.

The spelling of 1923791452 in words is "one billion, nine hundred twenty-three million, seven hundred ninety-one thousand, four hundred fifty-two".