99210403 has 2 divisors, whose sum is σ = 99210404. Its totient is φ = 99210402.

The previous prime is 99210379. The next prime is 99210407. The reversal of 99210403 is 30401299.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99210403 - 2²¹ = 97113251 is a prime.

It is not a weakly prime, because it can be changed into another prime (99210407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49605201 + 49605202.

It is an arithmetic number, because the mean of its divisors is an integer number (49605202).

Almost surely, 2^99210403 is an apocalyptic number.

99210403 is a deficient number, since it is larger than the sum of its proper divisors (1).

99210403 is an equidigital number, since it uses as much as digits as its factorization.

99210403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 99210403 is about 9960.4419078673. The cubic root of 99210403 is about 462.9339922414.

The spelling of 99210403 in words is "ninety-nine million, two hundred ten thousand, four hundred three".