87232146 has 16 divisors (see below), whose sum is σ = 182049984. Its totient is φ = 27813104.

The previous prime is 87232129. The next prime is 87232157. The reversal of 87232146 is 64123278.

It is a Curzon 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, 315921 + ... + 316196.

It is an arithmetic number, because the mean of its divisors is an integer number (11378124).

Almost surely, 2^87232146 is an apocalyptic number.

87232146 is an abundant number, since it is smaller than the sum of its proper divisors (94817838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87232146 is a wasteful number, since it uses less digits than its factorization.

87232146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632145.

The product of its digits is 16128, while the sum is 33.

The square root of 87232146 is about 9339.8150945294. The cubic root of 87232146 is about 443.4985309066.

It can be divided in two parts, 87232 and 146, that added together give a palindrome (87378).

The spelling of 87232146 in words is "eighty-seven million, two hundred thirty-two thousand, one hundred forty-six".