98561856 has 56 divisors (see below), whose sum is σ = 261518400. Its totient is φ = 32760832.

The previous prime is 98561849. The next prime is 98561857. The reversal of 98561856 is 65816589.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98561857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114580 + ... + 115436.

Almost surely, 2^98561856 is an apocalyptic number.

98561856 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

98561856 is an abundant number, since it is smaller than the sum of its proper divisors (162956544).

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

98561856 is a wasteful number, since it uses less digits than its factorization.

98561856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471 (or 1461 counting only the distinct ones).

The product of its digits is 518400, while the sum is 48.

The square root of 98561856 is about 9927.8323918165. The cubic root of 98561856 is about 461.9230395971.

The spelling of 98561856 in words is "ninety-eight million, five hundred sixty-one thousand, eight hundred fifty-six".