97970306 has 24 divisors (see below), whose sum is σ = 171290700. Its totient is φ = 41903232.

The previous prime is 97970293. The next prime is 97970309. The reversal of 97970306 is 60307979.

It can be written as a sum of positive squares in 2 ways, for example, as 94264681 + 3705625 = 9709^2 + 1925^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97970309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92870 + ... + 93918.

Almost surely, 2^97970306 is an apocalyptic number.

97970306 is a deficient number, since it is larger than the sum of its proper divisors (73320394).

97970306 is a wasteful number, since it uses less digits than its factorization.

97970306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018 (or 2011 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 97970306 is about 9897.9950495037. The cubic root of 97970306 is about 460.9970590954.

The spelling of 97970306 in words is "ninety-seven million, nine hundred seventy thousand, three hundred six".