472384397 has 2 divisors, whose sum is σ = 472384398. Its totient is φ = 472384396.

The previous prime is 472384391. The next prime is 472384481. The reversal of 472384397 is 793483274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237344836 + 235039561 = 15406^2 + 15331^2 .

It is a cyclic number.

It is not a de Polignac number, because 472384397 - 2¹² = 472380301 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 (472384391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236192198 + 236192199.

It is an arithmetic number, because the mean of its divisors is an integer number (236192199).

Almost surely, 2^472384397 is an apocalyptic number.

It is an amenable number.

472384397 is a deficient number, since it is larger than the sum of its proper divisors (1).

472384397 is an equidigital number, since it uses as much as digits as its factorization.

472384397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 47.

The square root of 472384397 is about 21734.4058349889. The cubic root of 472384397 is about 778.8105896844.

The spelling of 472384397 in words is "four hundred seventy-two million, three hundred eighty-four thousand, three hundred ninety-seven".