34639828 has 6 divisors (see below), whose sum is σ = 60619706. Its totient is φ = 17319912.

The previous prime is 34639819. The next prime is 34639849. The reversal of 34639828 is 82893643.

It can be written as a sum of positive squares in only one way, i.e., 32970564 + 1669264 = 5742^2 + 1292^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4329975 + ... + 4329982.

Almost surely, 2^34639828 is an apocalyptic number.

It is an amenable number.

34639828 is a deficient number, since it is larger than the sum of its proper divisors (25979878).

34639828 is a wasteful number, since it uses less digits than its factorization.

34639828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8659961 (or 8659959 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 34639828 is about 5885.5609758119. The cubic root of 34639828 is about 325.9807157348.

The spelling of 34639828 in words is "thirty-four million, six hundred thirty-nine thousand, eight hundred twenty-eight".