8523480 has 128 divisors (see below), whose sum is σ = 29836800. Its totient is φ = 1907712.

The previous prime is 8523467. The next prime is 8523499. The reversal of 8523480 is 843258.

It is a super-2 number, since 2×8523480² = 145299422620800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61251 + ... + 61389.

It is an arithmetic number, because the mean of its divisors is an integer number (233100).

Almost surely, 2^8523480 is an apocalyptic number.

It is a pronic number, being equal to 2919×2920.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8523480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14918400).

8523480 is an abundant number, since it is smaller than the sum of its proper divisors (21313320).

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

8523480 is a wasteful number, since it uses less digits than its factorization.

8523480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 8523480 is about 2919.4999571844. The cubic root of 8523480 is about 204.2704985302.

The spelling of 8523480 in words is "eight million, five hundred twenty-three thousand, four hundred eighty".