97973146 has 8 divisors (see below), whose sum is σ = 153349344. Its totient is φ = 46856700.

The previous prime is 97973143. The next prime is 97973153. The reversal of 97973146 is 64137979.

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 (46), and also a Moran number because the ratio is a prime number: 2129851 = 97973146 / (9 + 7 + 9 + 7 + 3 + 1 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 97973096 and 97973105.

It is not an unprimeable number, because it can be changed into a prime (97973143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064880 + ... + 1064971.

It is an arithmetic number, because the mean of its divisors is an integer number (19168668).

Almost surely, 2^97973146 is an apocalyptic number.

97973146 is a deficient number, since it is larger than the sum of its proper divisors (55376198).

97973146 is a wasteful number, since it uses less digits than its factorization.

97973146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129876.

The product of its digits is 285768, while the sum is 46.

The square root of 97973146 is about 9898.1385118617. The cubic root of 97973146 is about 461.0015135709.

The spelling of 97973146 in words is "ninety-seven million, nine hundred seventy-three thousand, one hundred forty-six".