850730 has 16 divisors (see below), whose sum is σ = 1542024. Its totient is φ = 337920.

The previous prime is 850727. The next prime is 850753. The reversal of 850730 is 37058.

It can be written as a sum of positive squares in 4 ways, for example, as 734449 + 116281 = 857^2 + 341^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 850696 and 850705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2234 + ... + 2586.

2⁸⁵⁰⁷³⁰ is an apocalyptic number.

850730 is a deficient number, since it is larger than the sum of its proper divisors (691294).

850730 is a wasteful number, since it uses less digits than its factorization.

850730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 850730 is about 922.3502588496. The cubic root of 850730 is about 94.7539338342.

Adding to 850730 its reverse (37058), we get a palindrome (887788).

The spelling of 850730 in words is "eight hundred fifty thousand, seven hundred thirty".