34789831 has 2 divisors, whose sum is σ = 34789832. Its totient is φ = 34789830.

The previous prime is 34789789. The next prime is 34789841. The reversal of 34789831 is 13898743.

It is a happy number.

34789831 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 34789831 - 2¹³ = 34781639 is a prime.

It is a super-2 number, since 2×34789831² = 2420664682017122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34789841) 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, 17394915 + 17394916.

It is an arithmetic number, because the mean of its divisors is an integer number (17394916).

Almost surely, 2^34789831 is an apocalyptic number.

34789831 is a deficient number, since it is larger than the sum of its proper divisors (1).

34789831 is an equidigital number, since it uses as much as digits as its factorization.

34789831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 34789831 is about 5898.2905150560. The cubic root of 34789831 is about 326.4505763481.

The spelling of 34789831 in words is "thirty-four million, seven hundred eighty-nine thousand, eight hundred thirty-one".