86440452 has 48 divisors (see below), whose sum is σ = 233963520. Its totient is φ = 24327072.

The previous prime is 86440451. The next prime is 86440469. The reversal of 86440452 is 25404468.

It is not an unprimeable number, because it can be changed into a prime (86440451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2052 + ... + 13307.

It is an arithmetic number, because the mean of its divisors is an integer number (4874240).

Almost surely, 2^86440452 is an apocalyptic number.

It is an amenable number.

86440452 is an abundant number, since it is smaller than the sum of its proper divisors (147523068).

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

86440452 is a wasteful number, since it uses less digits than its factorization.

86440452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15440 (or 15438 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 86440452 is about 9297.3357474064. The cubic root of 86440452 is about 442.1527627954.

The spelling of 86440452 in words is "eighty-six million, four hundred forty thousand, four hundred fifty-two".