999445607 has 2 divisors, whose sum is σ = 999445608. Its totient is φ = 999445606.

The previous prime is 999445597. The next prime is 999445631. The reversal of 999445607 is 706544999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999445607 - 2¹⁸ = 999183463 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 (999445697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499722803 + 499722804.

It is an arithmetic number, because the mean of its divisors is an integer number (499722804).

Almost surely, 2^999445607 is an apocalyptic number.

999445607 is a deficient number, since it is larger than the sum of its proper divisors (1).

999445607 is an equidigital number, since it uses as much as digits as its factorization.

999445607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The square root of 999445607 is about 31614.0096634388. The cubic root of 999445607 is about 999.8151681726.

The spelling of 999445607 in words is "nine hundred ninety-nine million, four hundred forty-five thousand, six hundred seven".