97481856 has 128 divisors (see below), whose sum is σ = 282009600. Its totient is φ = 29721600.

The previous prime is 97481833. The next prime is 97481863. The reversal of 97481856 is 65818479.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 225961 + ... + 226391.

It is an arithmetic number, because the mean of its divisors is an integer number (2203200).

Almost surely, 2^97481856 is an apocalyptic number.

97481856 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97481856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141004800).

97481856 is an abundant number, since it is smaller than the sum of its proper divisors (184527744).

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

97481856 is a wasteful number, since it uses less digits than its factorization.

97481856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 486 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The square root of 97481856 is about 9873.2900291645. The cubic root of 97481856 is about 460.2296521842.

The spelling of 97481856 in words is "ninety-seven million, four hundred eighty-one thousand, eight hundred fifty-six".