892561 has 8 divisors (see below), whose sum is σ = 941184. Its totient is φ = 844800.

The previous prime is 892559. The next prime is 892579. The reversal of 892561 is 165298.

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 892561 - 2¹ = 892559 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (892531) 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 7 ways as a sum of consecutive naturals, for example, 3345 + ... + 3601.

It is an arithmetic number, because the mean of its divisors is an integer number (117648).

2⁸⁹²⁵⁶¹ is an apocalyptic number.

It is an amenable number.

892561 is a deficient number, since it is larger than the sum of its proper divisors (48623).

892561 is a wasteful number, since it uses less digits than its factorization.

892561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431.

The product of its digits is 4320, while the sum is 31.

The square root of 892561 is about 944.7544654565. The cubic root of 892561 is about 96.2821919641.

The spelling of 892561 in words is "eight hundred ninety-two thousand, five hundred sixty-one".