9098649 has 28 divisors (see below), whose sum is σ = 15599296. Its totient is φ = 5196312.

The previous prime is 9098627. The next prime is 9098657. The reversal of 9098649 is 9468909.

9098649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9098649 - 2⁷ = 9098521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9098659) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4212 + ... + 5994.

Almost surely, 2^9098649 is an apocalyptic number.

It is an amenable number.

9098649 is a deficient number, since it is larger than the sum of its proper divisors (6500647).

9098649 is an equidigital number, since it uses as much as digits as its factorization.

9098649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808 (or 1793 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 9098649 is about 3016.3966914184. The cubic root of 9098649 is about 208.7656156222.

The spelling of 9098649 in words is "nine million, ninety-eight thousand, six hundred forty-nine".