1899340846 has 32 divisors (see below), whose sum is σ = 3100759200. Its totient is φ = 867355776.

The previous prime is 1899340841. The next prime is 1899340847. The reversal of 1899340846 is 6480439981.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1899340793 and 1899340802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1899340841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1188520 + ... + 1190116.

It is an arithmetic number, because the mean of its divisors is an integer number (96898725).

Almost surely, 2^1899340846 is an apocalyptic number.

1899340846 is a deficient number, since it is larger than the sum of its proper divisors (1201418354).

1899340846 is a wasteful number, since it uses less digits than its factorization.

1899340846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The square root of 1899340846 is about 43581.4277645880. The cubic root of 1899340846 is about 1238.4190844123.

The spelling of 1899340846 in words is "one billion, eight hundred ninety-nine million, three hundred forty thousand, eight hundred forty-six".