109490 has 8 divisors (see below), whose sum is σ = 197100. Its totient is φ = 43792.

The previous prime is 109481. The next prime is 109507. The reversal of 109490 is 94901.

It can be written as a sum of positive squares in 2 ways, for example, as 96721 + 12769 = 311^2 + 113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

109490 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5465 + ... + 5484.

2¹⁰⁹⁴⁹⁰ is an apocalyptic number.

109490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109490 is a deficient number, since it is larger than the sum of its proper divisors (87610).

109490 is a wasteful number, since it uses less digits than its factorization.

109490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10956.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 109490 is about 330.8927318634. The cubic root of 109490 is about 47.8400346193.

The spelling of 109490 in words is "one hundred nine thousand, four hundred ninety".