34894309 has 2 divisors, whose sum is σ = 34894310. Its totient is φ = 34894308.

The previous prime is 34894303. The next prime is 34894331. The reversal of 34894309 is 90349843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23184225 + 11710084 = 4815^2 + 3422^2 .

It is a cyclic number.

It is not a de Polignac number, because 34894309 - 2⁹ = 34893797 is a prime.

It is a super-2 number, since 2×34894309² = 2435225601174962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34894303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17447154 + 17447155.

It is an arithmetic number, because the mean of its divisors is an integer number (17447155).

Almost surely, 2^34894309 is an apocalyptic number.

It is an amenable number.

34894309 is a deficient number, since it is larger than the sum of its proper divisors (1).

34894309 is an equidigital number, since it uses as much as digits as its factorization.

34894309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 34894309 is about 5907.1405095867. The cubic root of 34894309 is about 326.7770397314. Note that the first 3 decimals are identical.

The spelling of 34894309 in words is "thirty-four million, eight hundred ninety-four thousand, three hundred nine".