987238 has 16 divisors (see below), whose sum is σ = 1707264. Its totient is φ = 419400.

The previous prime is 987227. The next prime is 987251. The reversal of 987238 is 832789.

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 = 987197 and 987206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1881 + ... + 2347.

It is an arithmetic number, because the mean of its divisors is an integer number (106704).

2⁹⁸⁷²³⁸ is an apocalyptic number.

987238 is a deficient number, since it is larger than the sum of its proper divisors (720026).

987238 is a wasteful number, since it uses less digits than its factorization.

987238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627.

The product of its digits is 24192, while the sum is 37.

The square root of 987238 is about 993.5985104659. The cubic root of 987238 is about 99.5727774078.

Subtracting from 987238 its reverse (832789), we obtain a square (154449 = 393²).

It can be divided in two parts, 987 and 238, that added together give a triangular number (1225 = T₄₉).

The spelling of 987238 in words is "nine hundred eighty-seven thousand, two hundred thirty-eight".