407874449 has 2 divisors, whose sum is σ = 407874450. Its totient is φ = 407874448.

The previous prime is 407874443. The next prime is 407874469. The reversal of 407874449 is 944478704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385140625 + 22733824 = 19625^2 + 4768^2 .

It is a cyclic number.

It is not a de Polignac number, because 407874449 - 2⁸ = 407874193 is a prime.

It is a super-2 number, since 2×407874449² = 332723132294107202, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (407874443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203937224 + 203937225.

It is an arithmetic number, because the mean of its divisors is an integer number (203937225).

Almost surely, 2^407874449 is an apocalyptic number.

It is an amenable number.

407874449 is a deficient number, since it is larger than the sum of its proper divisors (1).

407874449 is an equidigital number, since it uses as much as digits as its factorization.

407874449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 47.

The square root of 407874449 is about 20195.9017872439. The cubic root of 407874449 is about 741.6098680963.

The spelling of 407874449 in words is "four hundred seven million, eight hundred seventy-four thousand, four hundred forty-nine".