86449456 has 20 divisors (see below), whose sum is σ = 174778992. Its totient is φ = 41345216.

The previous prime is 86449453. The next prime is 86449457. The reversal of 86449456 is 65494468.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (86449453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117091 + ... + 117826.

Almost surely, 2^86449456 is an apocalyptic number.

It is an amenable number.

86449456 is an abundant number, since it is smaller than the sum of its proper divisors (88329536).

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

86449456 is a wasteful number, since it uses less digits than its factorization.

86449456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234948 (or 234942 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The square root of 86449456 is about 9297.8199595389. The cubic root of 86449456 is about 442.1681144244.

The spelling of 86449456 in words is "eighty-six million, four hundred forty-nine thousand, four hundred fifty-six".