8529426 has 12 divisors (see below), whose sum is σ = 18480462. Its totient is φ = 2843136.

The previous prime is 8529413. The next prime is 8529439. The reversal of 8529426 is 6249258.

8529426 = 549² + 550² + ... + 575².

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8529413) and next prime (8529439).

It can be written as a sum of positive squares in only one way, i.e., 7209225 + 1320201 = 2685^2 + 1149^2 .

It is a super-2 number, since 2×8529426² = 145502215778952, which contains 22 as substring.

It is a d-powerful number, because it can be written as 8 + 5⁵ + 2¹⁷ + 9⁴ + 4² + 2²³ + 6² .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236911 + ... + 236946.

Almost surely, 2^8529426 is an apocalyptic number.

8529426 is an abundant number, since it is smaller than the sum of its proper divisors (9951036).

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

8529426 is a wasteful number, since it uses less digits than its factorization.

8529426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473865 (or 473862 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 8529426 is about 2920.5181047205. The cubic root of 8529426 is about 204.3179873517.

The spelling of 8529426 in words is "eight million, five hundred twenty-nine thousand, four hundred twenty-six".