8578464 has 48 divisors (see below), whose sum is σ = 22684032. Its totient is φ = 2838528.

The previous prime is 8578463. The next prime is 8578477. The reversal of 8578464 is 4648758.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (8578463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18297 + ... + 18759.

It is an arithmetic number, because the mean of its divisors is an integer number (472584).

Almost surely, 2^8578464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8578464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11342016).

8578464 is an abundant number, since it is smaller than the sum of its proper divisors (14105568).

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

8578464 is a wasteful number, since it uses less digits than its factorization.

8578464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 661 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 8578464 is about 2928.9015005630. The cubic root of 8578464 is about 204.7087993181.

The spelling of 8578464 in words is "eight million, five hundred seventy-eight thousand, four hundred sixty-four".