83582638 has 8 divisors (see below), whose sum is σ = 128041632. Its totient is φ = 40902096.

The previous prime is 83582623. The next prime is 83582647. The reversal of 83582638 is 83628538.

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

It is a junction number, because it is equal to n+sod(n) for n = 83582594 and 83582603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444495 + ... + 444682.

It is an arithmetic number, because the mean of its divisors is an integer number (16005204).

Almost surely, 2^83582638 is an apocalyptic number.

83582638 is a deficient number, since it is larger than the sum of its proper divisors (44458994).

83582638 is a wasteful number, since it uses less digits than its factorization.

83582638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889226.

The product of its digits is 276480, while the sum is 43.

The square root of 83582638 is about 9142.3540732133. The cubic root of 83582638 is about 437.2253740979.

The spelling of 83582638 in words is "eighty-three million, five hundred eighty-two thousand, six hundred thirty-eight".