1905473992 has 16 divisors (see below), whose sum is σ = 3573239040. Its totient is φ = 952610256.

The previous prime is 1905473987. The next prime is 1905474001. The reversal of 1905473992 is 2993745091.

It is a super-2 number, since 2×1905473992² = 7261662268376832128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88393 + ... + 107815.

It is an arithmetic number, because the mean of its divisors is an integer number (223327440).

Almost surely, 2^1905473992 is an apocalyptic number.

It is an amenable number.

1905473992 is a deficient number, since it is larger than the sum of its proper divisors (1667765048).

1905473992 is a wasteful number, since it uses less digits than its factorization.

1905473992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31692 (or 31688 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 1905473992 is about 43651.7352690589. The cubic root of 1905473992 is about 1239.7506418461.

The spelling of 1905473992 in words is "one billion, nine hundred five million, four hundred seventy-three thousand, nine hundred ninety-two".