97150320 has 160 divisors (see below), whose sum is σ = 343103040. Its totient is φ = 25251840.

The previous prime is 97150307. The next prime is 97150337. The reversal of 97150320 is 2305179.

It is a super-3 number, since 3×97150320³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 88012 + ... + 89108.

It is an arithmetic number, because the mean of its divisors is an integer number (2144394).

Almost surely, 2^97150320 is an apocalyptic number.

97150320 is a gapful number since it is divisible by the number (90) 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 97150320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171551520).

97150320 is an abundant number, since it is smaller than the sum of its proper divisors (245952720).

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

97150320 is a wasteful number, since it uses less digits than its factorization.

97150320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 97150320 is about 9856.4861893070. The cubic root of 97150320 is about 459.7073122335.

Adding to 97150320 its reverse (2305179), we get a palindrome (99455499).

The spelling of 97150320 in words is "ninety-seven million, one hundred fifty thousand, three hundred twenty".