407930449 has 2 divisors, whose sum is σ = 407930450. Its totient is φ = 407930448.

The previous prime is 407930441. The next prime is 407930489. The reversal of 407930449 is 944039704.

It is an a-pointer prime, because the next prime (407930489) can be obtained adding 407930449 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385415424 + 22515025 = 19632^2 + 4745^2 .

It is a cyclic number.

It is not a de Polignac number, because 407930449 - 2³ = 407930441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (407930441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203965224 + 203965225.

It is an arithmetic number, because the mean of its divisors is an integer number (203965225).

Almost surely, 2^407930449 is an apocalyptic number.

It is an amenable number.

407930449 is a deficient number, since it is larger than the sum of its proper divisors (1).

407930449 is an equidigital number, since it uses as much as digits as its factorization.

407930449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 407930449 is about 20197.2881595525. The cubic root of 407930449 is about 741.6438068506.

The spelling of 407930449 in words is "four hundred seven million, nine hundred thirty thousand, four hundred forty-nine".