1987368 has 32 divisors (see below), whose sum is σ = 5261760. Its totient is φ = 623360.

The previous prime is 1987339. The next prime is 1987373. The reversal of 1987368 is 8637891.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2028 + ... + 2843.

It is an arithmetic number, because the mean of its divisors is an integer number (164430).

2^1987368 is an apocalyptic number.

It is an amenable number.

1987368 is an abundant number, since it is smaller than the sum of its proper divisors (3274392).

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

1987368 is a wasteful number, since it uses less digits than its factorization.

1987368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897 (or 4893 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 1987368 is about 1409.7404016343. The cubic root of 1987368 is about 125.7262891923.

The spelling of 1987368 in words is "one million, nine hundred eighty-seven thousand, three hundred sixty-eight".