909098 has 8 divisors (see below), whose sum is σ = 1423008. Its totient is φ = 434764.

The previous prime is 909091. The next prime is 909107. The reversal of 909098 is 890909.

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 not an unprimeable number, because it can be changed into a prime (909091) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9836 + ... + 9927.

It is an arithmetic number, because the mean of its divisors is an integer number (177876).

2⁹⁰⁹⁰⁹⁸ is an apocalyptic number.

909098 is a deficient number, since it is larger than the sum of its proper divisors (513910).

909098 is a wasteful number, since it uses less digits than its factorization.

909098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19788.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 909098 is about 953.4663077424. The cubic root of 909098 is about 96.8731824841.

The spelling of 909098 in words is "nine hundred nine thousand, ninety-eight".