99969532 has 12 divisors (see below), whose sum is σ = 188404216. Its totient is φ = 46139760.

The previous prime is 99969509. The next prime is 99969553. The reversal of 99969532 is 23596999.

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 1922491 = 99969532 / (9 + 9 + 9 + 6 + 9 + 5 + 3 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 99969532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961194 + ... + 961297.

Almost surely, 2^99969532 is an apocalyptic number.

It is an amenable number.

99969532 is a deficient number, since it is larger than the sum of its proper divisors (88434684).

99969532 is a wasteful number, since it uses less digits than its factorization.

99969532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922508 (or 1922506 counting only the distinct ones).

The product of its digits is 1180980, while the sum is 52.

The square root of 99969532 is about 9998.4764839449. The cubic root of 99969532 is about 464.1117385967. Note that the first 3 decimals are identical.

The spelling of 99969532 in words is "ninety-nine million, nine hundred sixty-nine thousand, five hundred thirty-two".