34509819 has 4 divisors (see below), whose sum is σ = 46013096. Its totient is φ = 23006544.

The previous prime is 34509803. The next prime is 34509829. The reversal of 34509819 is 91890543.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 34509819 - 2⁴ = 34509803 is a prime.

It is a super-2 number, since 2×34509819² = 2381855214825522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34509829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5751634 + ... + 5751639.

It is an arithmetic number, because the mean of its divisors is an integer number (11503274).

Almost surely, 2^34509819 is an apocalyptic number.

34509819 is a deficient number, since it is larger than the sum of its proper divisors (11503277).

34509819 is a wasteful number, since it uses less digits than its factorization.

34509819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11503276.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 34509819 is about 5874.5058515589. The cubic root of 34509819 is about 325.5723846277.

The spelling of 34509819 in words is "thirty-four million, five hundred nine thousand, eight hundred nineteen".