97478340 has 96 divisors (see below), whose sum is σ = 290957184. Its totient is φ = 24299520.

The previous prime is 97478327. The next prime is 97478351. The reversal of 97478340 is 4387479.

It is a junction number, because it is equal to n+sod(n) for n = 97478292 and 97478301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231330 + ... + 231750.

It is an arithmetic number, because the mean of its divisors is an integer number (3030804).

Almost surely, 2^97478340 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 97478340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145478592).

97478340 is an abundant number, since it is smaller than the sum of its proper divisors (193478844).

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

97478340 is a wasteful number, since it uses less digits than its factorization.

97478340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 675 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 97478340 is about 9873.1119714100. Note that the first 3 decimals coincide. The cubic root of 97478340 is about 460.2241188915.

The spelling of 97478340 in words is "ninety-seven million, four hundred seventy-eight thousand, three hundred forty".