34388881 has 2 divisors, whose sum is σ = 34388882. Its totient is φ = 34388880.

The previous prime is 34388857. The next prime is 34388897. The reversal of 34388881 is 18888343.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24206400 + 10182481 = 4920^2 + 3191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34388881 is a prime.

It is a super-2 number, since 2×34388881² = 2365190272864322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34388821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17194440 + 17194441.

It is an arithmetic number, because the mean of its divisors is an integer number (17194441).

Almost surely, 2^34388881 is an apocalyptic number.

It is an amenable number.

34388881 is a deficient number, since it is larger than the sum of its proper divisors (1).

34388881 is an equidigital number, since it uses as much as digits as its factorization.

34388881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147456, while the sum is 43.

The square root of 34388881 is about 5864.2033559555. The cubic root of 34388881 is about 325.1916219076.

The spelling of 34388881 in words is "thirty-four million, three hundred eighty-eight thousand, eight hundred eighty-one".