34845409 has 3 divisors (see below), whose sum is σ = 34851313. Its totient is φ = 34839506.
The previous prime is 34845403. The next prime is 34845413. The reversal of 34845409 is 90454843.
The square root of 34845409 is 5903.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 90454843 = 43 ⋅2103601.
It is not a de Polignac number, because 34845409 - 27 = 34845281 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (34845403) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2952 + ... + 8854.
Almost surely, 234845409 is an apocalyptic number.
34845409 is the 5903-rd square number.
34845409 is the 2952-nd centered octagonal number.
It is an amenable number.
34845409 is a deficient number, since it is larger than the sum of its proper divisors (5904).
34845409 is an frugal number, since it uses more digits than its factorization.
34845409 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11806 (or 5903 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 37.
The cubic root of 34845409 is about 326.6243226849.
The spelling of 34845409 in words is "thirty-four million, eight hundred forty-five thousand, four hundred nine".
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