394073 has 2 divisors, whose sum is σ = 394074. Its totient is φ = 394072.

The previous prime is 394063. The next prime is 394099. The reversal of 394073 is 370493.

It is an a-pointer prime, because the next prime (394099) can be obtained adding 394073 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299209 + 94864 = 547^2 + 308^2 .

It is an emirp because it is prime and its reverse (370493) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-394073 is a prime.

It is not a weakly prime, because it can be changed into another prime (394063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197036 + 197037.

It is an arithmetic number, because the mean of its divisors is an integer number (197037).

2³⁹⁴⁰⁷³ is an apocalyptic number.

It is an amenable number.

394073 is a deficient number, since it is larger than the sum of its proper divisors (1).

394073 is an equidigital number, since it uses as much as digits as its factorization.

394073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 394073 is about 627.7523397009. The cubic root of 394073 is about 73.3148966508.

The spelling of 394073 in words is "three hundred ninety-four thousand, seventy-three".