83532644 has 36 divisors (see below), whose sum is σ = 163788660. Its totient is φ = 37215360.

The previous prime is 83532629. The next prime is 83532649. The reversal of 83532644 is 44623538.

It can be written as a sum of positive squares in 6 ways, for example, as 504100 + 83028544 = 710^2 + 9112^2 .

It is a super-2 number, since 2×83532644² = 13955405227261472, which contains 22 as substring.

Its product of digits (69120) is a multiple of the sum of its prime factors (4320).

It is not an unprimeable number, because it can be changed into a prime (83532649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17474 + ... + 21734.

It is an arithmetic number, because the mean of its divisors is an integer number (4549685).

Almost surely, 2^83532644 is an apocalyptic number.

It is an amenable number.

83532644 is a deficient number, since it is larger than the sum of its proper divisors (80256016).

83532644 is a wasteful number, since it uses less digits than its factorization.

83532644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320 (or 4305 counting only the distinct ones).

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

The square root of 83532644 is about 9139.6194669144. The cubic root of 83532644 is about 437.1381829240.

The spelling of 83532644 in words is "eighty-three million, five hundred thirty-two thousand, six hundred forty-four".