99602 has 4 divisors (see below), whose sum is σ = 149406. Its totient is φ = 49800.

The previous prime is 99581. The next prime is 99607. The reversal of 99602 is 20699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20699 = 7 ⋅2957.

It can be written as a sum of positive squares in only one way, i.e., 89401 + 10201 = 299^2 + 101^2 .

It is a d-powerful number, because it can be written as 9 + 9⁵ + 6⁵ + 0 + 2¹⁵ .

It is not an unprimeable number, because it can be changed into a prime (99607) by changing a digit.

99602 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24899 + ... + 24902.

2⁹⁹⁶⁰² is an apocalyptic number.

99602 is a deficient number, since it is larger than the sum of its proper divisors (49804).

99602 is a wasteful number, since it uses less digits than its factorization.

99602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49803.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 99602 is about 315.5978453665. The cubic root of 99602 is about 46.3542280491.

The spelling of 99602 in words is "ninety-nine thousand, six hundred two".