98256609 has 24 divisors (see below), whose sum is σ = 155430912. Its totient is φ = 59317920.

The previous prime is 98256607. The next prime is 98256637. The reversal of 98256609 is 90665289.

98256609 is a `hidden beast` number, since 9 + 82 + 566 + 0 + 9 = 666.

It is not a de Polignac number, because 98256609 - 2¹ = 98256607 is a prime.

It is a super-2 number, since 2×98256609² = 19308722424357762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (98256601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25632 + ... + 29214.

It is an arithmetic number, because the mean of its divisors is an integer number (6476288).

Almost surely, 2^98256609 is an apocalyptic number.

98256609 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

98256609 is a deficient number, since it is larger than the sum of its proper divisors (57174303).

98256609 is a wasteful number, since it uses less digits than its factorization.

98256609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3877 (or 3874 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 98256609 is about 9912.4471751430. The cubic root of 98256609 is about 461.4456864613.

The spelling of 98256609 in words is "ninety-eight million, two hundred fifty-six thousand, six hundred nine".