920000 has 70 divisors (see below), whose sum is σ = 2380488. Its totient is φ = 352000.

The previous prime is 919979. The next prime is 920011. The reversal of 920000 is 29.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39989 + ... + 40011.

2⁹²⁰⁰⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 920000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1190244).

920000 is an abundant number, since it is smaller than the sum of its proper divisors (1460488).

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

920000 is an equidigital number, since it uses as much as digits as its factorization.

920000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 920000 is about 959.1663046625. The cubic root of 920000 is about 97.2588826219.

Adding to 920000 its reverse (29), we get a palindrome (920029).

The spelling of 920000 in words is "nine hundred twenty thousand".