1988738202 has 16 divisors (see below), whose sum is σ = 4339065312. Its totient is φ = 602647920.

The previous prime is 1988738201. The next prime is 1988738207. The reversal of 1988738202 is 2028378891.

It is not an unprimeable number, because it can be changed into a prime (1988738201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15066133 + ... + 15066264.

It is an arithmetic number, because the mean of its divisors is an integer number (271191582).

Almost surely, 2^1988738202 is an apocalyptic number.

1988738202 is an abundant number, since it is smaller than the sum of its proper divisors (2350327110).

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

1988738202 is a wasteful number, since it uses less digits than its factorization.

1988738202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30132413.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 1988738202 is about 44595.2710721664. The cubic root of 1988738202 is about 1257.5517678586.

The spelling of 1988738202 in words is "one billion, nine hundred eighty-eight million, seven hundred thirty-eight thousand, two hundred two".