920650 has 12 divisors (see below), whose sum is σ = 1712502. Its totient is φ = 368240.

The previous prime is 920641. The next prime is 920651. The reversal of 920650 is 56029.

It can be written as a sum of positive squares in 3 ways, for example, as 576081 + 344569 = 759^2 + 587^2 .

It is not an unprimeable number, because it can be changed into a prime (920651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9157 + ... + 9256.

2⁹²⁰⁶⁵⁰ is an apocalyptic number.

920650 is a deficient number, since it is larger than the sum of its proper divisors (791852).

920650 is a wasteful number, since it uses less digits than its factorization.

920650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18425 (or 18420 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 920650 is about 959.5050807578. The cubic root of 920650 is about 97.2817824013.

Adding to 920650 its reverse (56029), we get a palindrome (976679).

The spelling of 920650 in words is "nine hundred twenty thousand, six hundred fifty".