97440000 has 360 divisors, whose sum is σ = 383127360. Its totient is φ = 21504000.

The previous prime is 97439989. The next prime is 97440019. The reversal of 97440000 is 4479.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 10.

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 580 × 420 × 400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3359986 + ... + 3360014.

Almost surely, 2^97440000 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 97440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191563680).

97440000 is an abundant number, since it is smaller than the sum of its proper divisors (285687360).

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

97440000 is an equidigital number, since it uses as much as digits as its factorization.

97440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 97440000 is about 9871.1701434025. The cubic root of 97440000 is about 460.1637728133.

Adding to 97440000 its reverse (4479), we get a palindrome (97444479).

The spelling of 97440000 in words is "ninety-seven million, four hundred forty thousand".