97194864 has 80 divisors (see below), whose sum is σ = 273072800. Its totient is φ = 29611008.

The previous prime is 97194857. The next prime is 97194869. The reversal of 97194864 is 46849179.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97194869) by changing a digit.

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, 67302 + ... + 68730.

It is an arithmetic number, because the mean of its divisors is an integer number (3413410).

Almost surely, 2^97194864 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 97194864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136536400).

97194864 is an abundant number, since it is smaller than the sum of its proper divisors (175877936).

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

97194864 is a wasteful number, since it uses less digits than its factorization.

97194864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562 (or 1556 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 97194864 is about 9858.7455591470. The cubic root of 97194864 is about 459.7775610111. Note that the first 3 decimals are identical.

The spelling of 97194864 in words is "ninety-seven million, one hundred ninety-four thousand, eight hundred sixty-four".