1942597930 has 64 divisors (see below), whose sum is σ = 4332787200. Its totient is φ = 610631424.

The previous prime is 1942597903. The next prime is 1942597931. The reversal of 1942597930 is 397952491.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1942597931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128427 + ... + 142753.

It is an arithmetic number, because the mean of its divisors is an integer number (67699800).

Almost surely, 2^1942597930 is an apocalyptic number.

1942597930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1942597930 is an abundant number, since it is smaller than the sum of its proper divisors (2390189270).

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

1942597930 is a wasteful number, since it uses less digits than its factorization.

1942597930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14503.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 1942597930 is about 44074.9127055290. The cubic root of 1942597930 is about 1247.7501781374.

The spelling of 1942597930 in words is "one billion, nine hundred forty-two million, five hundred ninety-seven thousand, nine hundred thirty".