83866104 has 96 divisors (see below), whose sum is σ = 269243520. Its totient is φ = 23957856.

The previous prime is 83866091. The next prime is 83866127. The reversal of 83866104 is 40166838.

It is a happy number.

83866104 is a `hidden beast` number, since 8 + 38 + 6 + 610 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10527 + ... + 16689.

It is an arithmetic number, because the mean of its divisors is an integer number (2804620).

Almost surely, 2^83866104 is an apocalyptic number.

83866104 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83866104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134621760).

83866104 is an abundant number, since it is smaller than the sum of its proper divisors (185377416).

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

83866104 is a wasteful number, since it uses less digits than its factorization.

83866104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6191 (or 6175 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 83866104 is about 9157.8438510383. The cubic root of 83866104 is about 437.7190917884.

The spelling of 83866104 in words is "eighty-three million, eight hundred sixty-six thousand, one hundred four".