83826642 has 16 divisors (see below), whose sum is σ = 167857920. Its totient is φ = 27908112.

The previous prime is 83826637. The next prime is 83826649. The reversal of 83826642 is 24662838.

It is a self number, because there is not a number n which added to its sum of digits gives 83826642.

It is not an unprimeable number, because it can be changed into a prime (83826649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2917 + ... + 13272.

It is an arithmetic number, because the mean of its divisors is an integer number (10491120).

Almost surely, 2^83826642 is an apocalyptic number.

83826642 is an abundant number, since it is smaller than the sum of its proper divisors (84031278).

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

83826642 is a wasteful number, since it uses less digits than its factorization.

83826642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17057.

The product of its digits is 110592, while the sum is 39.

The square root of 83826642 is about 9155.6890510764. The cubic root of 83826642 is about 437.6504268574.

The spelling of 83826642 in words is "eighty-three million, eight hundred twenty-six thousand, six hundred forty-two".