97889148 has 72 divisors (see below), whose sum is σ = 293284992. Its totient is φ = 27966384.

The previous prime is 97889147. The next prime is 97889167. The reversal of 97889148 is 84198879.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 97889094 and 97889103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97889147) 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 23 ways as a sum of consecutive naturals, for example, 390 + ... + 13997.

Almost surely, 2^97889148 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 97889148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146642496).

97889148 is an abundant number, since it is smaller than the sum of its proper divisors (195395844).

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

97889148 is a wasteful number, since it uses less digits than its factorization.

97889148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14413 (or 14399 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 54.

The square root of 97889148 is about 9893.8944809413. The cubic root of 97889148 is about 460.8697282177.

The spelling of 97889148 in words is "ninety-seven million, eight hundred eighty-nine thousand, one hundred forty-eight".