34400881 has 2 divisors, whose sum is σ = 34400882. Its totient is φ = 34400880.

The previous prime is 34400879. The next prime is 34400897. The reversal of 34400881 is 18800443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26471025 + 7929856 = 5145^2 + 2816^2 .

It is a cyclic number.

It is not a de Polignac number, because 34400881 - 2¹ = 34400879 is a prime.

It is a super-2 number, since 2×34400881² = 2366841227152322, which contains 22 as substring.

Together with 34400879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (34400981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17200440 + 17200441.

It is an arithmetic number, because the mean of its divisors is an integer number (17200441).

Almost surely, 2^34400881 is an apocalyptic number.

It is an amenable number.

34400881 is a deficient number, since it is larger than the sum of its proper divisors (1).

34400881 is an equidigital number, since it uses as much as digits as its factorization.

34400881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 34400881 is about 5865.2264235918. The cubic root of 34400881 is about 325.2294427142.

The spelling of 34400881 in words is "thirty-four million, four hundred thousand, eight hundred eighty-one".