99534963 has 12 divisors (see below), whose sum is σ = 145875464. Its totient is φ = 60324000.

The previous prime is 99534959. The next prime is 99534997. The reversal of 99534963 is 36943599.

It is a happy number.

It is not a de Polignac number, because 99534963 - 2² = 99534959 is a prime.

It is a super-2 number, since 2×99534963² = 19814417718822738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99534913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136738 + ... + 137463.

Almost surely, 2^99534963 is an apocalyptic number.

99534963 is a deficient number, since it is larger than the sum of its proper divisors (46340501).

99534963 is a wasteful number, since it uses less digits than its factorization.

99534963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274226 (or 274215 counting only the distinct ones).

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

The square root of 99534963 is about 9976.7210545349. The cubic root of 99534963 is about 463.4382616362.

The spelling of 99534963 in words is "ninety-nine million, five hundred thirty-four thousand, nine hundred sixty-three".