992608521 has 16 divisors (see below), whose sum is σ = 1349156160. Its totient is φ = 649002240.

The previous prime is 992608511. The next prime is 992608523. The reversal of 992608521 is 125806299.

It is not a de Polignac number, because 992608521 - 2¹⁴ = 992592137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (992608523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26541 + ... + 51861.

It is an arithmetic number, because the mean of its divisors is an integer number (84322260).

Almost surely, 2^992608521 is an apocalyptic number.

It is an amenable number.

992608521 is a deficient number, since it is larger than the sum of its proper divisors (356547639).

992608521 is a wasteful number, since it uses less digits than its factorization.

992608521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25576.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 992608521 is about 31505.6902955641. The cubic root of 992608521 is about 997.5300781754.

The spelling of 992608521 in words is "nine hundred ninety-two million, six hundred eight thousand, five hundred twenty-one".