987906196 has 12 divisors (see below), whose sum is σ = 1731124948. Its totient is φ = 493299072.

The previous prime is 987906181. The next prime is 987906211. The reversal of 987906196 is 691609789.

It is an interprime number because it is at equal distance from previous prime (987906181) and next prime (987906211).

It can be written as a sum of positive squares in 2 ways, for example, as 256960900 + 730945296 = 16030^2 + 27036^2 .

It is a super-3 number, since 3×987906196³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160101 + ... + 166156.

Almost surely, 2^987906196 is an apocalyptic number.

It is an amenable number.

987906196 is a deficient number, since it is larger than the sum of its proper divisors (743218752).

987906196 is a wasteful number, since it uses less digits than its factorization.

987906196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327018 (or 327016 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 55.

The square root of 987906196 is about 31430.9751041866. The cubic root of 987906196 is about 995.9523708024.

The spelling of 987906196 in words is "nine hundred eighty-seven million, nine hundred six thousand, one hundred ninety-six".