86291472 has 40 divisors (see below), whose sum is σ = 230610240. Its totient is φ = 27771520.

The previous prime is 86291467. The next prime is 86291489. The reversal of 86291472 is 27419268.

Added to its reverse (27419268) it gives a triangular number (113710740 = T₁₅₀₈₀).

It is a self number, because there is not a number n which added to its sum of digits gives 86291472.

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, 29604 + ... + 32387.

It is an arithmetic number, because the mean of its divisors is an integer number (5765256).

Almost surely, 2^86291472 is an apocalyptic number.

It is an amenable number.

86291472 is an abundant number, since it is smaller than the sum of its proper divisors (144318768).

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

86291472 is a wasteful number, since it uses less digits than its factorization.

86291472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62031 (or 62025 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 86291472 is about 9289.3203195928. The cubic root of 86291472 is about 441.8986001638.

Adding to 86291472 its reverse (27419268), we get a triangular number (113710740 = T₁₅₀₈₀).

It can be divided in two parts, 8629 and 1472, that added together give a palindrome (10101).

The spelling of 86291472 in words is "eighty-six million, two hundred ninety-one thousand, four hundred seventy-two".