83641798 has 4 divisors (see below), whose sum is σ = 125462700. Its totient is φ = 41820898.

The previous prime is 83641741. The next prime is 83641799. The reversal of 83641798 is 89714638.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83641799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20910448 + ... + 20910451.

It is an arithmetic number, because the mean of its divisors is an integer number (31365675).

Almost surely, 2^83641798 is an apocalyptic number.

83641798 is a deficient number, since it is larger than the sum of its proper divisors (41820902).

83641798 is a wasteful number, since it uses less digits than its factorization.

83641798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41820901.

The product of its digits is 290304, while the sum is 46.

The square root of 83641798 is about 9145.5889914209. The cubic root of 83641798 is about 437.3285061734.

The spelling of 83641798 in words is "eighty-three million, six hundred forty-one thousand, seven hundred ninety-eight".