34912991 has 4 divisors (see below), whose sum is σ = 34925712. Its totient is φ = 34900272.

The previous prime is 34912979. The next prime is 34913041. The reversal of 34912991 is 19921943.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 34912991 - 2¹⁰ = 34911967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34912921) 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, 350 + ... + 8363.

It is an arithmetic number, because the mean of its divisors is an integer number (8731428).

Almost surely, 2^34912991 is an apocalyptic number.

34912991 is a deficient number, since it is larger than the sum of its proper divisors (12721).

34912991 is an equidigital number, since it uses as much as digits as its factorization.

34912991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12720.

The product of its digits is 17496, while the sum is 38.

The square root of 34912991 is about 5908.7216045436. The cubic root of 34912991 is about 326.8353468467.

The spelling of 34912991 in words is "thirty-four million, nine hundred twelve thousand, nine hundred ninety-one".