470890397 has 2 divisors, whose sum is σ = 470890398. Its totient is φ = 470890396.

The previous prime is 470890393. The next prime is 470890411. The reversal of 470890397 is 793098074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 362293156 + 108597241 = 19034^2 + 10421^2 .

It is a cyclic number.

It is not a de Polignac number, because 470890397 - 2² = 470890393 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 (470890391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235445198 + 235445199.

It is an arithmetic number, because the mean of its divisors is an integer number (235445199).

Almost surely, 2^470890397 is an apocalyptic number.

It is an amenable number.

470890397 is a deficient number, since it is larger than the sum of its proper divisors (1).

470890397 is an equidigital number, since it uses as much as digits as its factorization.

470890397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 470890397 is about 21700.0091474635. The cubic root of 470890397 is about 777.9886800802.

The spelling of 470890397 in words is "four hundred seventy million, eight hundred ninety thousand, three hundred ninety-seven".