34528009 has 8 divisors (see below), whose sum is σ = 35834760. Its totient is φ = 33229056.

The previous prime is 34528007. The next prime is 34528031. The reversal of 34528009 is 90082543.

It can be written as a sum of positive squares in 4 ways, for example, as 6734025 + 27793984 = 2595^2 + 5272^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34528009 - 2¹ = 34528007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34528001) 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, 8007 + ... + 11539.

It is an arithmetic number, because the mean of its divisors is an integer number (4479345).

Almost surely, 2^34528009 is an apocalyptic number.

It is an amenable number.

34528009 is a deficient number, since it is larger than the sum of its proper divisors (1306751).

34528009 is a wasteful number, since it uses less digits than its factorization.

34528009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 34528009 is about 5876.0538629254. The cubic root of 34528009 is about 325.6295772533.

The spelling of 34528009 in words is "thirty-four million, five hundred twenty-eight thousand, nine".