992264821 has 8 divisors (see below), whose sum is σ = 1025970624. Its totient is φ = 959011680.

The previous prime is 992264813. The next prime is 992264839. The reversal of 992264821 is 128462299.

It is a happy number.

992264821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 992264821 - 2³ = 992264813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992265821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108705 + ... + 117478.

It is an arithmetic number, because the mean of its divisors is an integer number (128246328).

Almost surely, 2^992264821 is an apocalyptic number.

It is an amenable number.

992264821 is a deficient number, since it is larger than the sum of its proper divisors (33705803).

992264821 is a wasteful number, since it uses less digits than its factorization.

992264821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226331.

The product of its digits is 124416, while the sum is 43.

The square root of 992264821 is about 31500.2352530898. The cubic root of 992264821 is about 997.4149301723.

The spelling of 992264821 in words is "nine hundred ninety-two million, two hundred sixty-four thousand, eight hundred twenty-one".