398244607 has 2 divisors, whose sum is σ = 398244608. Its totient is φ = 398244606.

The previous prime is 398244593. The next prime is 398244673. The reversal of 398244607 is 706442893.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-398244607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398244307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199122303 + 199122304.

It is an arithmetic number, because the mean of its divisors is an integer number (199122304).

Almost surely, 2^398244607 is an apocalyptic number.

398244607 is a deficient number, since it is larger than the sum of its proper divisors (1).

398244607 is an equidigital number, since it uses as much as digits as its factorization.

398244607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 398244607 is about 19956.0669221167. The cubic root of 398244607 is about 735.7268986899.

The spelling of 398244607 in words is "three hundred ninety-eight million, two hundred forty-four thousand, six hundred seven".