99999652 has 24 divisors (see below), whose sum is σ = 177605120. Its totient is φ = 49260960.

The previous prime is 99999643. The next prime is 99999677. The reversal of 99999652 is 25699999.

It is a super-2 number, since 2×99999652² = 19999860800242208, which contains 22 as substring.

It is a nialpdrome in base 10.

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, 91453 + ... + 92539.

Almost surely, 2^99999652 is an apocalyptic number.

It is an amenable number.

99999652 is a deficient number, since it is larger than the sum of its proper divisors (77605468).

99999652 is a wasteful number, since it uses less digits than its factorization.

99999652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411 (or 1409 counting only the distinct ones).

The product of its digits is 3542940, while the sum is 58.

The square root of 99999652 is about 9999.9825999849. The cubic root of 99999652 is about 464.1583449363.

The spelling of 99999652 in words is "ninety-nine million, nine hundred ninety-nine thousand, six hundred fifty-two".