397984303 has 2 divisors, whose sum is σ = 397984304. Its totient is φ = 397984302.

The previous prime is 397984291. The next prime is 397984357. The reversal of 397984303 is 303489793.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-397984303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397984373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198992151 + 198992152.

It is an arithmetic number, because the mean of its divisors is an integer number (198992152).

Almost surely, 2^397984303 is an apocalyptic number.

397984303 is a deficient number, since it is larger than the sum of its proper divisors (1).

397984303 is an equidigital number, since it uses as much as digits as its factorization.

397984303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 397984303 is about 19949.5439296241. The cubic root of 397984303 is about 735.5665664113.

The spelling of 397984303 in words is "three hundred ninety-seven million, nine hundred eighty-four thousand, three hundred three".