987394 has 16 divisors (see below), whose sum is σ = 1588248. Its totient is φ = 458752.

The previous prime is 987391. The next prime is 987433. The reversal of 987394 is 493789.

It can be written as a sum of positive squares in 4 ways, for example, as 931225 + 56169 = 965^2 + 237^2 .

It is a super-2 number, since 2×987394² = 1949893822472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3714 + ... + 3970.

2⁹⁸⁷³⁹⁴ is an apocalyptic number.

987394 is a deficient number, since it is larger than the sum of its proper divisors (600854).

987394 is a wasteful number, since it uses less digits than its factorization.

987394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389.

The product of its digits is 54432, while the sum is 40.

The square root of 987394 is about 993.6770098981. The cubic root of 987394 is about 99.5780218491.

The spelling of 987394 in words is "nine hundred eighty-seven thousand, three hundred ninety-four".