99604646 has 4 divisors (see below), whose sum is σ = 149406972. Its totient is φ = 49802322.

The previous prime is 99604639. The next prime is 99604657. The reversal of 99604646 is 64640699.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64640699 = 139 ⋅465041.

It is a junction number, because it is equal to n+sod(n) for n = 99604597 and 99604606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24901160 + ... + 24901163.

It is an arithmetic number, because the mean of its divisors is an integer number (37351743).

Almost surely, 2^99604646 is an apocalyptic number.

99604646 is a deficient number, since it is larger than the sum of its proper divisors (49802326).

99604646 is a wasteful number, since it uses less digits than its factorization.

99604646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49802325.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 99604646 is about 9980.2127231838. The cubic root of 99604646 is about 463.5463852349.

The spelling of 99604646 in words is "ninety-nine million, six hundred four thousand, six hundred forty-six".