97283520 has 168 divisors, whose sum is σ = 354476304. Its totient is φ = 24403968.

The previous prime is 97283509. The next prime is 97283533. The reversal of 97283520 is 2538279.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 47967 + ... + 49953.

It is an arithmetic number, because the mean of its divisors is an integer number (2109978).

Almost surely, 2^97283520 is an apocalyptic number.

97283520 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 97283520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177238152).

97283520 is an abundant number, since it is smaller than the sum of its proper divisors (257192784).

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

97283520 is a wasteful number, since it uses less digits than its factorization.

97283520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027 (or 2014 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 97283520 is about 9863.2408466994. The cubic root of 97283520 is about 459.9173134301.

The spelling of 97283520 in words is "ninety-seven million, two hundred eighty-three thousand, five hundred twenty".