99630371 has 2 divisors, whose sum is σ = 99630372. Its totient is φ = 99630370.

The previous prime is 99630361. The next prime is 99630389. The reversal of 99630371 is 17303699.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99630371 is a prime.

It is not a weakly prime, because it can be changed into another prime (99630331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49815185 + 49815186.

It is an arithmetic number, because the mean of its divisors is an integer number (49815186).

Almost surely, 2^99630371 is an apocalyptic number.

99630371 is a deficient number, since it is larger than the sum of its proper divisors (1).

99630371 is an equidigital number, since it uses as much as digits as its factorization.

99630371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 99630371 is about 9981.5014401642. The cubic root of 99630371 is about 463.5862886757.

It can be divided in two parts, 99630 and 371, that added together give a palindrome (100001).

The spelling of 99630371 in words is "ninety-nine million, six hundred thirty thousand, three hundred seventy-one".