992271728 has 40 divisors (see below), whose sum is σ = 2198713440. Its totient is φ = 424961280.

The previous prime is 992271719. The next prime is 992271737. The reversal of 992271728 is 827172299.

It is an interprime number because it is at equal distance from previous prime (992271719) and next prime (992271737).

It is a congruent number.

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, 246758 + ... + 250746.

It is an arithmetic number, because the mean of its divisors is an integer number (54967836).

Almost surely, 2^992271728 is an apocalyptic number.

It is an amenable number.

992271728 is an abundant number, since it is smaller than the sum of its proper divisors (1206441712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

992271728 is a wasteful number, since it uses less digits than its factorization.

992271728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6225 (or 6219 counting only the distinct ones).

The product of its digits is 254016, while the sum is 47.

The square root of 992271728 is about 31500.3448870008. The cubic root of 992271728 is about 997.4172444500.

The spelling of 992271728 in words is "nine hundred ninety-two million, two hundred seventy-one thousand, seven hundred twenty-eight".