987390364 has 6 divisors (see below), whose sum is σ = 1727933144. Its totient is φ = 493695180.

The previous prime is 987390301. The next prime is 987390377. The reversal of 987390364 is 463093789.

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, 123423792 + ... + 123423799.

Almost surely, 2^987390364 is an apocalyptic number.

It is an amenable number.

987390364 is a deficient number, since it is larger than the sum of its proper divisors (740542780).

987390364 is a wasteful number, since it uses less digits than its factorization.

987390364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246847595 (or 246847593 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 987390364 is about 31422.7682421521. The cubic root of 987390364 is about 995.7789961952.

The spelling of 987390364 in words is "nine hundred eighty-seven million, three hundred ninety thousand, three hundred sixty-four".