34406881 has 2 divisors, whose sum is σ = 34406882. Its totient is φ = 34406880.

The previous prime is 34406819. The next prime is 34406887. The reversal of 34406881 is 18860443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33005025 + 1401856 = 5745^2 + 1184^2 .

It is a cyclic number.

It is not a de Polignac number, because 34406881 - 2⁷ = 34406753 is a prime.

It is a super-2 number, since 2×34406881² = 2367666920296322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34406887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17203440 + 17203441.

It is an arithmetic number, because the mean of its divisors is an integer number (17203441).

Almost surely, 2^34406881 is an apocalyptic number.

It is an amenable number.

34406881 is a deficient number, since it is larger than the sum of its proper divisors (1).

34406881 is an equidigital number, since it uses as much as digits as its factorization.

34406881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 34406881 is about 5865.7378904960. The cubic root of 34406881 is about 325.2483498193.

It can be divided in two parts, 3440 and 6881, that multiplied together give a triangular number (23670640 = T₆₈₈₀).

The spelling of 34406881 in words is "thirty-four million, four hundred six thousand, eight hundred eighty-one".