972192349 has 2 divisors, whose sum is σ = 972192350. Its totient is φ = 972192348.

The previous prime is 972192343. The next prime is 972192373. The reversal of 972192349 is 943291279.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 782992324 + 189200025 = 27982^2 + 13755^2 .

It is a cyclic number.

It is not a de Polignac number, because 972192349 - 2¹⁵ = 972159581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 972192299 and 972192308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972192343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486096174 + 486096175.

It is an arithmetic number, because the mean of its divisors is an integer number (486096175).

Almost surely, 2^972192349 is an apocalyptic number.

It is an amenable number.

972192349 is a deficient number, since it is larger than the sum of its proper divisors (1).

972192349 is an equidigital number, since it uses as much as digits as its factorization.

972192349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 46.

The square root of 972192349 is about 31179.9991821680. Note that the first 3 decimals coincide. The cubic root of 972192349 is about 990.6435121699.

The spelling of 972192349 in words is "nine hundred seventy-two million, one hundred ninety-two thousand, three hundred forty-nine".