394904701 has 2 divisors, whose sum is σ = 394904702. Its totient is φ = 394904700.

The previous prime is 394904693. The next prime is 394904761. The reversal of 394904701 is 107409493.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 374383801 + 20520900 = 19349^2 + 4530^2 .

It is an emirp because it is prime and its reverse (107409493) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 394904701 - 2³ = 394904693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (394904761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197452350 + 197452351.

It is an arithmetic number, because the mean of its divisors is an integer number (197452351).

Almost surely, 2^394904701 is an apocalyptic number.

It is an amenable number.

394904701 is a deficient number, since it is larger than the sum of its proper divisors (1).

394904701 is an equidigital number, since it uses as much as digits as its factorization.

394904701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 394904701 is about 19872.2092631896. The cubic root of 394904701 is about 733.6643805381.

It can be divided in two parts, 394904 and 701, that added together give a triangular number (395605 = T₈₈₉).

The spelling of 394904701 in words is "three hundred ninety-four million, nine hundred four thousand, seven hundred one".