83641894 has 8 divisors (see below), whose sum is σ = 143386128. Its totient is φ = 35846520.

The previous prime is 83641891. The next prime is 83641903. The reversal of 83641894 is 49814638.

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

It is a self number, because there is not a number n which added to its sum of digits gives 83641894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83641891) 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, 2987197 + ... + 2987224.

It is an arithmetic number, because the mean of its divisors is an integer number (17923266).

Almost surely, 2^83641894 is an apocalyptic number.

83641894 is a deficient number, since it is larger than the sum of its proper divisors (59744234).

83641894 is a wasteful number, since it uses less digits than its factorization.

83641894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5974430.

The product of its digits is 165888, while the sum is 43.

The square root of 83641894 is about 9145.5942398512. The cubic root of 83641894 is about 437.3286734881.

The spelling of 83641894 in words is "eighty-three million, six hundred forty-one thousand, eight hundred ninety-four".