104491000 has 32 divisors (see below), whose sum is σ = 244511280. Its totient is φ = 41796000.

The previous prime is 104490979. The next prime is 104491003. The reversal of 104491000 is 194401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104491003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51246 + ... + 53245.

Almost surely, 2^104491000 is an apocalyptic number.

104491000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104491000 is an abundant number, since it is smaller than the sum of its proper divisors (140020280).

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

104491000 is a wasteful number, since it uses less digits than its factorization.

104491000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104512 (or 104498 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 104491000 is about 10222.0839362627. The cubic root of 104491000 is about 471.0058434521.

It can be divided in two parts, 10449 and 1000, that added together give a square (11449 = 107²).

The spelling of 104491000 in words is "one hundred four million, four hundred ninety-one thousand".