34978969 has 4 divisors (see below), whose sum is σ = 35011620. Its totient is φ = 34946320.

The previous prime is 34978967. The next prime is 34978973. The reversal of 34978969 is 96987943.

34978969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96987943 = 13 ⋅7460611.

It can be written as a sum of positive squares in 2 ways, for example, as 345744 + 34633225 = 588^2 + 5885^2 .

It is a cyclic number.

It is not a de Polignac number, because 34978969 - 2¹ = 34978967 is a prime.

It is a super-2 number, since 2×34978969² = 2447056544605922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34978961) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14662 + ... + 16879.

It is an arithmetic number, because the mean of its divisors is an integer number (8752905).

Almost surely, 2^34978969 is an apocalyptic number.

It is an amenable number.

34978969 is a deficient number, since it is larger than the sum of its proper divisors (32651).

34978969 is a wasteful number, since it uses less digits than its factorization.

34978969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32650.

The product of its digits is 2939328, while the sum is 55.

The square root of 34978969 is about 5914.3020720961. The cubic root of 34978969 is about 327.0410999910.

The spelling of 34978969 in words is "thirty-four million, nine hundred seventy-eight thousand, nine hundred sixty-nine".