97730386 has 8 divisors (see below), whose sum is σ = 157872204. Its totient is φ = 45106320.

The previous prime is 97730351. The next prime is 97730387. The reversal of 97730386 is 68303779.

It can be written as a sum of positive squares in 2 ways, for example, as 97713225 + 17161 = 9885^2 + 131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (97730387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1879405 + ... + 1879456.

Almost surely, 2^97730386 is an apocalyptic number.

97730386 is a deficient number, since it is larger than the sum of its proper divisors (60141818).

97730386 is a wasteful number, since it uses less digits than its factorization.

97730386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3758876.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 97730386 is about 9885.8679942633. The cubic root of 97730386 is about 460.6204387808.

The spelling of 97730386 in words is "ninety-seven million, seven hundred thirty thousand, three hundred eighty-six".