97680321 has 12 divisors (see below), whose sum is σ = 141245520. Its totient is φ = 65050200.

The previous prime is 97680307. The next prime is 97680329. The reversal of 97680321 is 12308679.

It is not a de Polignac number, because 97680321 - 2⁶ = 97680257 is a prime.

It is a super-2 number, since 2×97680321² = 19082890221326082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97680329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3846 + ... + 14496.

It is an arithmetic number, because the mean of its divisors is an integer number (11770460).

Almost surely, 2^97680321 is an apocalyptic number.

It is an amenable number.

97680321 is a deficient number, since it is larger than the sum of its proper divisors (43565199).

97680321 is a wasteful number, since it uses less digits than its factorization.

97680321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11676 (or 11673 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 97680321 is about 9883.3355199548. The cubic root of 97680321 is about 460.5417703059.

The spelling of 97680321 in words is "ninety-seven million, six hundred eighty thousand, three hundred twenty-one".