97947480 has 64 divisors (see below), whose sum is σ = 296202240. Its totient is φ = 25909632.

The previous prime is 97947469. The next prime is 97947497. The reversal of 97947480 is 8474979.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12027 + ... + 18453.

It is an arithmetic number, because the mean of its divisors is an integer number (4628160).

Almost surely, 2^97947480 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 97947480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148101120).

97947480 is an abundant number, since it is smaller than the sum of its proper divisors (198254760).

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

97947480 is a wasteful number, since it uses less digits than its factorization.

97947480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6568 (or 6564 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 97947480 is about 9896.8419205320. The cubic root of 97947480 is about 460.9612539056.

The spelling of 97947480 in words is "ninety-seven million, nine hundred forty-seven thousand, four hundred eighty".