920867 has 4 divisors (see below), whose sum is σ = 924960. Its totient is φ = 916776.

The previous prime is 920863. The next prime is 920869. The reversal of 920867 is 768029.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 920867 - 2² = 920863 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 920867.

It is not an unprimeable number, because it can be changed into a prime (920863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688 + ... + 2165.

It is an arithmetic number, because the mean of its divisors is an integer number (231240).

2⁹²⁰⁸⁶⁷ is an apocalyptic number.

920867 is a deficient number, since it is larger than the sum of its proper divisors (4093).

920867 is a wasteful number, since it uses less digits than its factorization.

920867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4092.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 920867 is about 959.6181532255. The cubic root of 920867 is about 97.2894250047.

The spelling of 920867 in words is "nine hundred twenty thousand, eight hundred sixty-seven".