83445636 has 12 divisors (see below), whose sum is σ = 194706512. Its totient is φ = 27815208.

The previous prime is 83445631. The next prime is 83445653. The reversal of 83445636 is 63654438.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 83445594 and 83445603.

It is not an unprimeable number, because it can be changed into a prime (83445631) 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, 3476890 + ... + 3476913.

Almost surely, 2^83445636 is an apocalyptic number.

It is an amenable number.

83445636 is an abundant number, since it is smaller than the sum of its proper divisors (111260876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83445636 is a wasteful number, since it uses less digits than its factorization.

83445636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6953810 (or 6953808 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 83445636 is about 9134.8582911833. The cubic root of 83445636 is about 436.9863551256.

The spelling of 83445636 in words is "eighty-three million, four hundred forty-five thousand, six hundred thirty-six".