34879891 has 8 divisors (see below), whose sum is σ = 36732960. Its totient is φ = 33054912.

The previous prime is 34879879. The next prime is 34879907. The reversal of 34879891 is 19897843.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 34879891 - 2⁹ = 34879379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34879841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4450 + ... + 9463.

It is an arithmetic number, because the mean of its divisors is an integer number (4591620).

Almost surely, 2^34879891 is an apocalyptic number.

34879891 is a deficient number, since it is larger than the sum of its proper divisors (1853069).

34879891 is a wasteful number, since it uses less digits than its factorization.

34879891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14045.

The product of its digits is 435456, while the sum is 49.

The square root of 34879891 is about 5905.9199960717. The cubic root of 34879891 is about 326.7320264656.

The spelling of 34879891 in words is "thirty-four million, eight hundred seventy-nine thousand, eight hundred ninety-one".