1999364230 has 16 divisors (see below), whose sum is σ = 3599367840. Its totient is φ = 799631872.

The previous prime is 1999364201. The next prime is 1999364233. The reversal of 1999364230 is 324639991.

1999364230 is a nontrivial binomial coefficient, being equal to C(63236, 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1999364233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118566 + ... + 134374.

It is an arithmetic number, because the mean of its divisors is an integer number (224960490).

Almost surely, 2^1999364230 is an apocalyptic number.

1999364230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1999364230 is the 63235-th triangular number and also the 31618-th hexagonal number.

1999364230 is the 21079-th centered nonagonal number.

1999364230 is a deficient number, since it is larger than the sum of its proper divisors (1600003610).

1999364230 is a wasteful number, since it uses less digits than its factorization.

1999364230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28463.

The product of its (nonzero) digits is 314928, while the sum is 46.

The square root of 1999364230 is about 44714.2508603242. The cubic root of 1999364230 is about 1259.7875324118.

The spelling of 1999364230 in words is "one billion, nine hundred ninety-nine million, three hundred sixty-four thousand, two hundred thirty".