83638546 has 8 divisors (see below), whose sum is σ = 125575884. Its totient is φ = 41779920.

The previous prime is 83638543. The next prime is 83638547. The reversal of 83638546 is 64583638.

It can be written as a sum of positive squares in 2 ways, for example, as 57229225 + 26409321 = 7565^2 + 5139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (83638543) 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, 16945 + ... + 21316.

Almost surely, 2^83638546 is an apocalyptic number.

83638546 is a deficient number, since it is larger than the sum of its proper divisors (41937338).

83638546 is a wasteful number, since it uses less digits than its factorization.

83638546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39356.

The product of its digits is 414720, while the sum is 43.

The square root of 83638546 is about 9145.4111990659. The cubic root of 83638546 is about 437.3228383105.

The spelling of 83638546 in words is "eighty-three million, six hundred thirty-eight thousand, five hundred forty-six".