34590989 has 2 divisors, whose sum is σ = 34590990. Its totient is φ = 34590988.

The previous prime is 34590973. The next prime is 34590991. The reversal of 34590989 is 98909543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29106025 + 5484964 = 5395^2 + 2342^2 .

It is a cyclic number.

It is not a de Polignac number, because 34590989 - 2⁴ = 34590973 is a prime.

Together with 34590991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34590889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17295494 + 17295495.

It is an arithmetic number, because the mean of its divisors is an integer number (17295495).

Almost surely, 2^34590989 is an apocalyptic number.

It is an amenable number.

34590989 is a deficient number, since it is larger than the sum of its proper divisors (1).

34590989 is an equidigital number, since it uses as much as digits as its factorization.

34590989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 34590989 is about 5881.4104600852. The cubic root of 34590989 is about 325.8274426467.

The spelling of 34590989 in words is "thirty-four million, five hundred ninety thousand, nine hundred eighty-nine".