974258849 has 2 divisors, whose sum is σ = 974258850. Its totient is φ = 974258848.

The previous prime is 974258837. The next prime is 974258891. The reversal of 974258849 is 948852479.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 776012449 + 198246400 = 27857^2 + 14080^2 .

It is a cyclic number.

It is not a de Polignac number, because 974258849 - 2⁴ = 974258833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 974258794 and 974258803.

It is not a weakly prime, because it can be changed into another prime (974258809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487129424 + 487129425.

It is an arithmetic number, because the mean of its divisors is an integer number (487129425).

Almost surely, 2^974258849 is an apocalyptic number.

It is an amenable number.

974258849 is a deficient number, since it is larger than the sum of its proper divisors (1).

974258849 is an equidigital number, since it uses as much as digits as its factorization.

974258849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 56.

The square root of 974258849 is about 31213.1198216391. The cubic root of 974258849 is about 991.3449220779.

The spelling of 974258849 in words is "nine hundred seventy-four million, two hundred fifty-eight thousand, eight hundred forty-nine".