849174401 has 2 divisors, whose sum is σ = 849174402. Its totient is φ = 849174400.

The previous prime is 849174377. The next prime is 849174437. The reversal of 849174401 is 104471948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 767290000 + 81884401 = 27700^2 + 9049^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-849174401 is a prime.

It is not a weakly prime, because it can be changed into another prime (849174461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424587200 + 424587201.

It is an arithmetic number, because the mean of its divisors is an integer number (424587201).

Almost surely, 2^849174401 is an apocalyptic number.

It is an amenable number.

849174401 is a deficient number, since it is larger than the sum of its proper divisors (1).

849174401 is an equidigital number, since it uses as much as digits as its factorization.

849174401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 849174401 is about 29140.5971284049. The cubic root of 849174401 is about 946.9614461858.

The spelling of 849174401 in words is "eight hundred forty-nine million, one hundred seventy-four thousand, four hundred one".