34220491 has 4 divisors (see below), whose sum is σ = 34295184. Its totient is φ = 34145800.

The previous prime is 34220479. The next prime is 34220513. The reversal of 34220491 is 19402243.

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

It is a cyclic number.

It is not a de Polignac number, because 34220491 - 2⁹ = 34219979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34220401) 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 3 ways as a sum of consecutive naturals, for example, 36655 + ... + 37576.

It is an arithmetic number, because the mean of its divisors is an integer number (8573796).

Almost surely, 2^34220491 is an apocalyptic number.

34220491 is a deficient number, since it is larger than the sum of its proper divisors (74693).

34220491 is an equidigital number, since it uses as much as digits as its factorization.

34220491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74692.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 34220491 is about 5849.8282880782. The cubic root of 34220491 is about 324.6599709983.

The spelling of 34220491 in words is "thirty-four million, two hundred twenty thousand, four hundred ninety-one".