987390366 has 32 divisors (see below), whose sum is σ = 2080636800. Its totient is φ = 311519520.

The previous prime is 987390301. The next prime is 987390377. The reversal of 987390366 is 663093789.

It is a happy number.

It is a super-2 number, since 2×987390366² = 1949879469739227912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143820 + ... + 150528.

It is an arithmetic number, because the mean of its divisors is an integer number (65019900).

Almost surely, 2^987390366 is an apocalyptic number.

987390366 is an abundant number, since it is smaller than the sum of its proper divisors (1093246434).

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

987390366 is a wasteful number, since it uses less digits than its factorization.

987390366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8024.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The square root of 987390366 is about 31422.7682739761. The cubic root of 987390366 is about 995.7789968676.

The spelling of 987390366 in words is "nine hundred eighty-seven million, three hundred ninety thousand, three hundred sixty-six".