104491816 has 64 divisors (see below), whose sum is σ = 231739200. Its totient is φ = 43545600.

The previous prime is 104491789. The next prime is 104491823. The reversal of 104491816 is 618194401.

It is a super-2 number, since 2×104491816² = 21837079221955712, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 275515 + ... + 275893.

It is an arithmetic number, because the mean of its divisors is an integer number (3620925).

Almost surely, 2^104491816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104491816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115869600).

104491816 is an abundant number, since it is smaller than the sum of its proper divisors (127247384).

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

104491816 is a wasteful number, since it uses less digits than its factorization.

104491816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 104491816 is about 10222.1238497682. The cubic root of 104491816 is about 471.0070695218.

The spelling of 104491816 in words is "one hundred four million, four hundred ninety-one thousand, eight hundred sixteen".