906342397 has 2 divisors, whose sum is σ = 906342398. Its totient is φ = 906342396.

The previous prime is 906342379. The next prime is 906342421. The reversal of 906342397 is 793243609.

Together with previous prime (906342379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 898440676 + 7901721 = 29974^2 + 2811^2 .

It is a cyclic number.

It is not a de Polignac number, because 906342397 - 2¹⁵ = 906309629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (906342337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453171198 + 453171199.

It is an arithmetic number, because the mean of its divisors is an integer number (453171199).

Almost surely, 2^906342397 is an apocalyptic number.

It is an amenable number.

906342397 is a deficient number, since it is larger than the sum of its proper divisors (1).

906342397 is an equidigital number, since it uses as much as digits as its factorization.

906342397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 43.

The square root of 906342397 is about 30105.5210385072. The cubic root of 906342397 is about 967.7520470751.

The spelling of 906342397 in words is "nine hundred six million, three hundred forty-two thousand, three hundred ninety-seven".