99997652 has 12 divisors (see below), whose sum is σ = 182604576. Its totient is φ = 47824920.

The previous prime is 99997649. The next prime is 99997669. The reversal of 99997652 is 25679999.

It is a nialpdrome in base 10.

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, 543374 + ... + 543557.

It is an arithmetic number, because the mean of its divisors is an integer number (15217048).

Almost surely, 2^99997652 is an apocalyptic number.

99997652 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

99997652 is a deficient number, since it is larger than the sum of its proper divisors (82606924).

99997652 is a wasteful number, since it uses less digits than its factorization.

99997652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086958 (or 1086956 counting only the distinct ones).

The product of its digits is 2755620, while the sum is 56.

The square root of 99997652 is about 9999.8825993109. The cubic root of 99997652 is about 464.1552505160.

The spelling of 99997652 in words is "ninety-nine million, nine hundred ninety-seven thousand, six hundred fifty-two".