99620363 has 4 divisors (see below), whose sum is σ = 104863560. Its totient is φ = 94377168.

The previous prime is 99620351. The next prime is 99620407. The reversal of 99620363 is 36302699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36302699 = 431 ⋅84229.

It is a cyclic number.

It is not a de Polignac number, because 99620363 - 2⁴ = 99620347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99620333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2621570 + ... + 2621607.

It is an arithmetic number, because the mean of its divisors is an integer number (26215890).

Almost surely, 2^99620363 is an apocalyptic number.

99620363 is a deficient number, since it is larger than the sum of its proper divisors (5243197).

99620363 is a wasteful number, since it uses less digits than its factorization.

99620363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243196.

The product of its (nonzero) digits is 52488, while the sum is 38.

The square root of 99620363 is about 9981.0001001904. Note that the first 3 decimals coincide. The cubic root of 99620363 is about 463.5707655413.

The spelling of 99620363 in words is "ninety-nine million, six hundred twenty thousand, three hundred sixty-three".