34838987 has 4 divisors (see below), whose sum is σ = 35649240. Its totient is φ = 34028736.

The previous prime is 34838981. The next prime is 34839011. The reversal of 34838987 is 78983843.

It is a happy number.

34838987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78983843 = 4049 ⋅19507.

It is a cyclic number.

It is not a de Polignac number, because 34838987 - 2¹⁴ = 34822603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34838981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405062 + ... + 405147.

It is an arithmetic number, because the mean of its divisors is an integer number (8912310).

Almost surely, 2^34838987 is an apocalyptic number.

34838987 is a deficient number, since it is larger than the sum of its proper divisors (810253).

34838987 is an equidigital number, since it uses as much as digits as its factorization.

34838987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810252.

The product of its digits is 1161216, while the sum is 50.

The square root of 34838987 is about 5902.4560142368. The cubic root of 34838987 is about 326.6042558589.

The spelling of 34838987 in words is "thirty-four million, eight hundred thirty-eight thousand, nine hundred eighty-seven".