1987734096 has 120 divisors (see below), whose sum is σ = 5899533120. Its totient is φ = 623006208.

The previous prime is 1987734059. The next prime is 1987734097. The reversal of 1987734096 is 6904377891.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1987734097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 372181 + ... + 377483.

It is an arithmetic number, because the mean of its divisors is an integer number (49162776).

Almost surely, 2^1987734096 is an apocalyptic number.

1987734096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1987734096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2949766560).

1987734096 is an abundant number, since it is smaller than the sum of its proper divisors (3911799024).

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

1987734096 is a wasteful number, since it uses less digits than its factorization.

1987734096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5473 (or 5464 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 1987734096 is about 44584.0116633755. The cubic root of 1987734096 is about 1257.3400879356.

The spelling of 1987734096 in words is "one billion, nine hundred eighty-seven million, seven hundred thirty-four thousand, ninety-six".