987236 has 6 divisors (see below), whose sum is σ = 1727670. Its totient is φ = 493616.

The previous prime is 987227. The next prime is 987251. The reversal of 987236 is 632789.

It can be written as a sum of positive squares in only one way, i.e., 891136 + 96100 = 944^2 + 310^2 .

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 987196 and 987205.

It is an unprimeable number.

987236 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123401 + ... + 123408.

It is an arithmetic number, because the mean of its divisors is an integer number (287945).

2⁹⁸⁷²³⁶ is an apocalyptic number.

It is an amenable number.

987236 is a deficient number, since it is larger than the sum of its proper divisors (740434).

987236 is a wasteful number, since it uses less digits than its factorization.

987236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246813 (or 246811 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 987236 is about 993.5975040226. The cubic root of 987236 is about 99.5727101678.

The spelling of 987236 in words is "nine hundred eighty-seven thousand, two hundred thirty-six".