1987301376 has 312 divisors, whose sum is σ = 6215199744. Its totient is φ = 610467840.

The previous prime is 1987301369. The next prime is 1987301419. The reversal of 1987301376 is 6731037891.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42282985 + ... + 42283031.

It is an arithmetic number, because the mean of its divisors is an integer number (19920512).

Almost surely, 2^1987301376 is an apocalyptic number.

1987301376 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 1987301376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3107599872).

1987301376 is an abundant number, since it is smaller than the sum of its proper divisors (4227898368).

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

1987301376 is a wasteful number, since it uses less digits than its factorization.

1987301376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 1987301376 is about 44579.1585384920. The cubic root of 1987301376 is about 1257.2488423829.

The spelling of 1987301376 in words is "one billion, nine hundred eighty-seven million, three hundred one thousand, three hundred seventy-six".