83564234 has 16 divisors (see below), whose sum is σ = 136618272. Its totient is φ = 38102448.

The previous prime is 83564233. The next prime is 83564263. The reversal of 83564234 is 43246538.

It is a junction number, because it is equal to n+sod(n) for n = 83564194 and 83564203.

It is not an unprimeable number, because it can be changed into a prime (83564233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17204 + ... + 21519.

It is an arithmetic number, because the mean of its divisors is an integer number (8538642).

Almost surely, 2^83564234 is an apocalyptic number.

83564234 is a deficient number, since it is larger than the sum of its proper divisors (53054038).

83564234 is a wasteful number, since it uses less digits than its factorization.

83564234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38821.

The product of its digits is 69120, while the sum is 35.

The square root of 83564234 is about 9141.3474936685. The cubic root of 83564234 is about 437.1932809637.

The spelling of 83564234 in words is "eighty-three million, five hundred sixty-four thousand, two hundred thirty-four".