99643062 has 16 divisors (see below), whose sum is σ = 200233152. Its totient is φ = 33056520.

The previous prime is 99643013. The next prime is 99643091. The reversal of 99643062 is 26034699.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 99643062.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38088 + ... + 40619.

It is an arithmetic number, because the mean of its divisors is an integer number (12514572).

Almost surely, 2^99643062 is an apocalyptic number.

99643062 is an abundant number, since it is smaller than the sum of its proper divisors (100590090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99643062 is a wasteful number, since it uses less digits than its factorization.

99643062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78923.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 99643062 is about 9982.1371459222. The cubic root of 99643062 is about 463.6059718431.

The spelling of 99643062 in words is "ninety-nine million, six hundred forty-three thousand, sixty-two".