34047865 has 8 divisors (see below), whose sum is σ = 40893768. Its totient is φ = 27214080.

The previous prime is 34047809. The next prime is 34047877. The reversal of 34047865 is 56874043.

34047865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6390784 + 27657081 = 2528^2 + 5259^2 .

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

It is not a de Polignac number, because 34047865 - 2⁷ = 34047737 is a prime.

It is a super-2 number, since 2×34047865² = 2318514222116450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5185 + ... + 9745.

It is an arithmetic number, because the mean of its divisors is an integer number (5111721).

Almost surely, 2^34047865 is an apocalyptic number.

It is an amenable number.

34047865 is a deficient number, since it is larger than the sum of its proper divisors (6845903).

34047865 is a wasteful number, since it uses less digits than its factorization.

34047865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6059.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 34047865 is about 5835.0548412161. The cubic root of 34047865 is about 324.1131323921.

It can be divided in two parts, 340 and 47865, that added together give a triangular number (48205 = T₃₁₀).

The spelling of 34047865 in words is "thirty-four million, forty-seven thousand, eight hundred sixty-five".