1999487366 has 8 divisors (see below), whose sum is σ = 3001707264. Its totient is φ = 998918280.

The previous prime is 1999487311. The next prime is 1999487411. The reversal of 1999487366 is 6637849991.

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

It is a junction number, because it is equal to n+sod(n) for n = 1999487299 and 1999487308.

It is a congruent number.

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, 409670 + ... + 414521.

It is an arithmetic number, because the mean of its divisors is an integer number (375213408).

Almost surely, 2^1999487366 is an apocalyptic number.

1999487366 is a deficient number, since it is larger than the sum of its proper divisors (1002219898).

1999487366 is a wasteful number, since it uses less digits than its factorization.

1999487366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825406.

The product of its digits is 17635968, while the sum is 62.

The square root of 1999487366 is about 44715.6277603256. The cubic root of 1999487366 is about 1259.8133943018.

The spelling of 1999487366 in words is "one billion, nine hundred ninety-nine million, four hundred eighty-seven thousand, three hundred sixty-six".