83491110 has 48 divisors (see below), whose sum is σ = 218078640. Its totient is φ = 22161600.

The previous prime is 83491103. The next prime is 83491141. The reversal of 83491110 is 1119438.

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, 18585 + ... + 22635.

It is an arithmetic number, because the mean of its divisors is an integer number (4543305).

Almost surely, 2^83491110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83491110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109039320).

83491110 is an abundant number, since it is smaller than the sum of its proper divisors (134587530).

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

83491110 is a wasteful number, since it uses less digits than its factorization.

83491110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4293 (or 4290 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 83491110 is about 9137.3469891430. The cubic root of 83491110 is about 437.0657198069.

The spelling of 83491110 in words is "eighty-three million, four hundred ninety-one thousand, one hundred ten".