87284938 has 8 divisors (see below), whose sum is σ = 140998788. Its totient is φ = 40285344.

The previous prime is 87284921. The next prime is 87284947. The reversal of 87284938 is 83948278.

It can be written as a sum of positive squares in 2 ways, for example, as 78623689 + 8661249 = 8867^2 + 2943^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 87284891 and 87284900.

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, 1678531 + ... + 1678582.

Almost surely, 2^87284938 is an apocalyptic number.

87284938 is a deficient number, since it is larger than the sum of its proper divisors (53713850).

87284938 is a wasteful number, since it uses less digits than its factorization.

87284938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357128.

The product of its digits is 774144, while the sum is 49.

The square root of 87284938 is about 9342.6408472123. The cubic root of 87284938 is about 443.5879797851.

The spelling of 87284938 in words is "eighty-seven million, two hundred eighty-four thousand, nine hundred thirty-eight".