1987448 has 8 divisors (see below), whose sum is σ = 3726480. Its totient is φ = 993720.

The previous prime is 1987439. The next prime is 1987451. The reversal of 1987448 is 8447891.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124208 + ... + 124223.

It is an arithmetic number, because the mean of its divisors is an integer number (465810).

2^1987448 is an apocalyptic number.

It is an amenable number.

1987448 is a deficient number, since it is larger than the sum of its proper divisors (1739032).

1987448 is a wasteful number, since it uses less digits than its factorization.

1987448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248437 (or 248433 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 1987448 is about 1409.7687753671. The cubic root of 1987448 is about 125.7279761753.

The spelling of 1987448 in words is "one million, nine hundred eighty-seven thousand, four hundred forty-eight".