416078393 has 2 divisors, whose sum is σ = 416078394. Its totient is φ = 416078392.

The previous prime is 416078387. The next prime is 416078423. The reversal of 416078393 is 393870614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 398880784 + 17197609 = 19972^2 + 4147^2 .

It is a cyclic number.

It is not a de Polignac number, because 416078393 - 2²² = 411884089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 416078393.

It is not a weakly prime, because it can be changed into another prime (416078353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208039196 + 208039197.

It is an arithmetic number, because the mean of its divisors is an integer number (208039197).

Almost surely, 2^416078393 is an apocalyptic number.

It is an amenable number.

416078393 is a deficient number, since it is larger than the sum of its proper divisors (1).

416078393 is an equidigital number, since it uses as much as digits as its factorization.

416078393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 416078393 is about 20397.9997303657. Note that the first 3 decimals coincide. The cubic root of 416078393 is about 746.5491198842.

The spelling of 416078393 in words is "four hundred sixteen million, seventy-eight thousand, three hundred ninety-three".