87241832 has 16 divisors (see below), whose sum is σ = 164047140. Its totient is φ = 43495936.

The previous prime is 87241813. The next prime is 87241849. The reversal of 87241832 is 23814278.

It can be written as a sum of positive squares in 2 ways, for example, as 86229796 + 1012036 = 9286^2 + 1006^2 .

It is a super-2 number, since 2×87241832² = 15222274501432448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87241792 and 87241801.

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, 12623 + ... + 18270.

Almost surely, 2^87241832 is an apocalyptic number.

It is an amenable number.

87241832 is a deficient number, since it is larger than the sum of its proper divisors (76805308).

87241832 is a wasteful number, since it uses less digits than its factorization.

87241832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31252 (or 31248 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 87241832 is about 9340.3336128856. Note that the first 3 decimals coincide. The cubic root of 87241832 is about 443.5149452216.

The spelling of 87241832 in words is "eighty-seven million, two hundred forty-one thousand, eight hundred thirty-two".