97801306 has 8 divisors (see below), whose sum is σ = 155331540. Its totient is φ = 46024128.

The previous prime is 97801279. The next prime is 97801309. The reversal of 97801306 is 60310879.

It can be written as a sum of positive squares in 2 ways, for example, as 94770225 + 3031081 = 9735^2 + 1741^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 2876509 = 97801306 / (9 + 7 + 8 + 0 + 1 + 3 + 0 + 6).

It is not an unprimeable number, because it can be changed into a prime (97801309) 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 3 ways as a sum of consecutive naturals, for example, 1438221 + ... + 1438288.

Almost surely, 2^97801306 is an apocalyptic number.

97801306 is a deficient number, since it is larger than the sum of its proper divisors (57530234).

97801306 is a wasteful number, since it uses less digits than its factorization.

97801306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876528.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 97801306 is about 9889.4542822140. The cubic root of 97801306 is about 460.7318313039.

The spelling of 97801306 in words is "ninety-seven million, eight hundred one thousand, three hundred six".