992641 has 8 divisors (see below), whose sum is σ = 1106280. Its totient is φ = 884352.

The previous prime is 992633. The next prime is 992659. The reversal of 992641 is 146299.

992641 = 704² + 705².

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 625 + 992016 = 25^2 + 996^2 .

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 992641 - 2³ = 992633 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 (992141) 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, 940 + ... + 1693.

It is an arithmetic number, because the mean of its divisors is an integer number (138285).

2⁹⁹²⁶⁴¹ is an apocalyptic number.

992641 is the 705-th centered square number.

It is an amenable number.

992641 is a deficient number, since it is larger than the sum of its proper divisors (113639).

992641 is a wasteful number, since it uses less digits than its factorization.

992641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675.

The product of its digits is 3888, while the sum is 31.

The square root of 992641 is about 996.3137056169. The cubic root of 992641 is about 99.7540958069.

The spelling of 992641 in words is "nine hundred ninety-two thousand, six hundred forty-one".