890432297 has 2 divisors, whose sum is σ = 890432298. Its totient is φ = 890432296.

The previous prime is 890432293. The next prime is 890432339. The reversal of 890432297 is 792234098.

890432297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 807184921 + 83247376 = 28411^2 + 9124^2 .

It is a cyclic number.

It is not a de Polignac number, because 890432297 - 2² = 890432293 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (890432293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445216148 + 445216149.

It is an arithmetic number, because the mean of its divisors is an integer number (445216149).

Almost surely, 2^890432297 is an apocalyptic number.

It is an amenable number.

890432297 is a deficient number, since it is larger than the sum of its proper divisors (1).

890432297 is an equidigital number, since it uses as much as digits as its factorization.

890432297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 890432297 is about 29840.1122149365. The cubic root of 890432297 is about 962.0558866828.

The spelling of 890432297 in words is "eight hundred ninety million, four hundred thirty-two thousand, two hundred ninety-seven".