99447001 has 2 divisors, whose sum is σ = 99447002. Its totient is φ = 99447000.

The previous prime is 99446989. The next prime is 99447053. The reversal of 99447001 is 10074499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95648400 + 3798601 = 9780^2 + 1949^2 .

It is a cyclic number.

It is not a de Polignac number, because 99447001 - 2⁷ = 99446873 is a prime.

It is not a weakly prime, because it can be changed into another prime (99447301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49723500 + 49723501.

It is an arithmetic number, because the mean of its divisors is an integer number (49723501).

Almost surely, 2^99447001 is an apocalyptic number.

It is an amenable number.

99447001 is a deficient number, since it is larger than the sum of its proper divisors (1).

99447001 is an equidigital number, since it uses as much as digits as its factorization.

99447001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 99447001 is about 9972.3117179519. The cubic root of 99447001 is about 463.3017033541.

The spelling of 99447001 in words is "ninety-nine million, four hundred forty-seven thousand, one".