34998989 has 4 divisors (see below), whose sum is σ = 35018880. Its totient is φ = 34979100.

The previous prime is 34998967. The next prime is 34999001. The reversal of 34998989 is 98989943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34998989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34998959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7019 + ... + 10920.

It is an arithmetic number, because the mean of its divisors is an integer number (8754720).

Almost surely, 2^34998989 is an apocalyptic number.

It is an amenable number.

34998989 is a deficient number, since it is larger than the sum of its proper divisors (19891).

34998989 is a wasteful number, since it uses less digits than its factorization.

34998989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19890.

The product of its digits is 5038848, while the sum is 59.

The square root of 34998989 is about 5915.9943373874. The cubic root of 34998989 is about 327.1034814190.

The spelling of 34998989 in words is "thirty-four million, nine hundred ninety-eight thousand, nine hundred eighty-nine".