34890009 has 24 divisors (see below), whose sum is σ = 59037408. Its totient is φ = 18123840.

The previous prime is 34890007. The next prime is 34890013. The reversal of 34890009 is 90009843.

It is not a de Polignac number, because 34890009 - 2¹ = 34890007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (34890007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9172 + ... + 12405.

It is an arithmetic number, because the mean of its divisors is an integer number (2459892).

Almost surely, 2^34890009 is an apocalyptic number.

It is an amenable number.

34890009 is a deficient number, since it is larger than the sum of its proper divisors (24147399).

34890009 is a wasteful number, since it uses less digits than its factorization.

34890009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21605 (or 21598 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 34890009 is about 5906.7765320858. The cubic root of 34890009 is about 326.7636163487.

The spelling of 34890009 in words is "thirty-four million, eight hundred ninety thousand, nine".