97421184 has 128 divisors (see below), whose sum is σ = 328684800. Its totient is φ = 27827712.

The previous prime is 97421171. The next prime is 97421239. The reversal of 97421184 is 48112479.

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 (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22179 + ... + 26205.

It is an arithmetic number, because the mean of its divisors is an integer number (2567850).

Almost surely, 2^97421184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97421184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164342400).

97421184 is an abundant number, since it is smaller than the sum of its proper divisors (231263616).

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

97421184 is a wasteful number, since it uses less digits than its factorization.

97421184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4057 (or 4039 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 97421184 is about 9870.2170188907. The cubic root of 97421184 is about 460.1341511694.

The spelling of 97421184 in words is "ninety-seven million, four hundred twenty-one thousand, one hundred eighty-four".