99963534 has 16 divisors (see below), whose sum is σ = 218102400. Its totient is φ = 30291960.

The previous prime is 99963533. The next prime is 99963569. The reversal of 99963534 is 43536999.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99963533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757234 + ... + 757365.

It is an arithmetic number, because the mean of its divisors is an integer number (13631400).

Almost surely, 2^99963534 is an apocalyptic number.

99963534 is an abundant number, since it is smaller than the sum of its proper divisors (118138866).

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

99963534 is a wasteful number, since it uses less digits than its factorization.

99963534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514615.

The product of its digits is 787320, while the sum is 48.

The square root of 99963534 is about 9998.1765337485. The cubic root of 99963534 is about 464.1024564424.

It can be divided in two parts, 9996 and 3534, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 99963534 in words is "ninety-nine million, nine hundred sixty-three thousand, five hundred thirty-four".