1999006748 has 12 divisors (see below), whose sum is σ = 3498677280. Its totient is φ = 999384672.

The previous prime is 1999006741. The next prime is 1999006753. The reversal of 1999006748 is 8476009991.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1999006748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1999006741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16040 + ... + 65232.

It is an arithmetic number, because the mean of its divisors is an integer number (291556440).

Almost surely, 2^1999006748 is an apocalyptic number.

It is an amenable number.

1999006748 is a deficient number, since it is larger than the sum of its proper divisors (1499670532).

1999006748 is a wasteful number, since it uses less digits than its factorization.

1999006748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59356 (or 59354 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 1999006748 is about 44710.2532759545. The cubic root of 1999006748 is about 1259.7124455078.

The spelling of 1999006748 in words is "one billion, nine hundred ninety-nine million, six thousand, seven hundred forty-eight".