99361399 has 2 divisors, whose sum is σ = 99361400. Its totient is φ = 99361398.

The previous prime is 99361373. The next prime is 99361411. The reversal of 99361399 is 99316399.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99361399 - 2²⁵ = 65806967 is a prime.

It is a super-2 number, since 2×99361399² = 19745375222474402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99361309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49680699 + 49680700.

It is an arithmetic number, because the mean of its divisors is an integer number (49680700).

Almost surely, 2^99361399 is an apocalyptic number.

99361399 is a deficient number, since it is larger than the sum of its proper divisors (1).

99361399 is an equidigital number, since it uses as much as digits as its factorization.

99361399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 354294, while the sum is 49.

The square root of 99361399 is about 9968.0188101749. The cubic root of 99361399 is about 463.1687315639.

It can be divided in two parts, 9936139 and 9, that multiplied together give a triangular number (89425251 = T₁₃₃₇₃).

The spelling of 99361399 in words is "ninety-nine million, three hundred sixty-one thousand, three hundred ninety-nine".