404849461 has 2 divisors, whose sum is σ = 404849462. Its totient is φ = 404849460.

The previous prime is 404849447. The next prime is 404849479. The reversal of 404849461 is 164948404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225450225 + 179399236 = 15015^2 + 13394^2 .

It is a cyclic number.

It is not a de Polignac number, because 404849461 - 2¹¹ = 404847413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404849261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202424730 + 202424731.

It is an arithmetic number, because the mean of its divisors is an integer number (202424731).

Almost surely, 2^404849461 is an apocalyptic number.

It is an amenable number.

404849461 is a deficient number, since it is larger than the sum of its proper divisors (1).

404849461 is an equidigital number, since it uses as much as digits as its factorization.

404849461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 404849461 is about 20120.8712783517. The cubic root of 404849461 is about 739.7719415316.

The spelling of 404849461 in words is "four hundred four million, eight hundred forty-nine thousand, four hundred sixty-one".