34809345 has 40 divisors (see below), whose sum is σ = 63466920. Its totient is φ = 18247680.

The previous prime is 34809343. The next prime is 34809361. The reversal of 34809345 is 54390843.

It can be written as a sum of positive squares in 4 ways, for example, as 3370896 + 31438449 = 1836^2 + 5607^2 .

It is not a de Polignac number, because 34809345 - 2¹ = 34809343 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34809343) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24001 + ... + 25409.

It is an arithmetic number, because the mean of its divisors is an integer number (1586673).

Almost surely, 2^34809345 is an apocalyptic number.

It is an amenable number.

34809345 is a deficient number, since it is larger than the sum of its proper divisors (28657575).

34809345 is a wasteful number, since it uses less digits than its factorization.

34809345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487 (or 1478 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 34809345 is about 5899.9444912643. The cubic root of 34809345 is about 326.5116015161.

The spelling of 34809345 in words is "thirty-four million, eight hundred nine thousand, three hundred forty-five".