1928996730 has 48 divisors (see below), whose sum is σ = 5026919040. Its totient is φ = 513216864.

The previous prime is 1928996689. The next prime is 1928996737. The reversal of 1928996730 is 376998291.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1928996737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15099 + ... + 63921.

It is an arithmetic number, because the mean of its divisors is an integer number (104727480).

Almost surely, 2^1928996730 is an apocalyptic number.

1928996730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1928996730 is an abundant number, since it is smaller than the sum of its proper divisors (3097922310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1928996730 is a wasteful number, since it uses less digits than its factorization.

1928996730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49275 (or 49272 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 1928996730 is about 43920.3452855280. The cubic root of 1928996730 is about 1244.8312927638.

The spelling of 1928996730 in words is "one billion, nine hundred twenty-eight million, nine hundred ninety-six thousand, seven hundred thirty".