34403891 has 2 divisors, whose sum is σ = 34403892. Its totient is φ = 34403890.

The previous prime is 34403861. The next prime is 34403899. The reversal of 34403891 is 19830443.

34403891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34403891 - 2¹⁰ = 34402867 is a prime.

It is not a weakly prime, because it can be changed into another prime (34403899) 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 as a sum of consecutive naturals, namely, 17201945 + 17201946.

It is an arithmetic number, because the mean of its divisors is an integer number (17201946).

Almost surely, 2^34403891 is an apocalyptic number.

34403891 is a deficient number, since it is larger than the sum of its proper divisors (1).

34403891 is an equidigital number, since it uses as much as digits as its factorization.

34403891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 34403891 is about 5865.4830150636. The cubic root of 34403891 is about 325.2389280534.

The spelling of 34403891 in words is "thirty-four million, four hundred three thousand, eight hundred ninety-one".