100489194 has 64 divisors (see below), whose sum is σ = 246153600. Its totient is φ = 30191616.

The previous prime is 100489177. The next prime is 100489199. The reversal of 100489194 is 491984001.

It is a super-2 number, since 2×100489194² = 20196156221539272, which contains 22 as substring.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (100489199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28522 + ... + 31850.

It is an arithmetic number, because the mean of its divisors is an integer number (3846150).

Almost surely, 2^100489194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100489194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123076800).

100489194 is an abundant number, since it is smaller than the sum of its proper divisors (145664406).

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

100489194 is a wasteful number, since it uses less digits than its factorization.

100489194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396 (or 3390 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 100489194 is about 10024.4298590992. The cubic root of 100489194 is about 464.9145316381.

The spelling of 100489194 in words is "one hundred million, four hundred eighty-nine thousand, one hundred ninety-four".