394500383 has 2 divisors, whose sum is σ = 394500384. Its totient is φ = 394500382.

The previous prime is 394500307. The next prime is 394500413. The reversal of 394500383 is 383005493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 394500383 - 2¹² = 394496287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (394506383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197250191 + 197250192.

It is an arithmetic number, because the mean of its divisors is an integer number (197250192).

Almost surely, 2^394500383 is an apocalyptic number.

394500383 is a deficient number, since it is larger than the sum of its proper divisors (1).

394500383 is an equidigital number, since it uses as much as digits as its factorization.

394500383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 394500383 is about 19862.0337075537. The cubic root of 394500383 is about 733.4139108200.

The spelling of 394500383 in words is "three hundred ninety-four million, five hundred thousand, three hundred eighty-three".