850461 has 4 divisors (see below), whose sum is σ = 1133952. Its totient is φ = 566972.

The previous prime is 850457. The next prime is 850481. The reversal of 850461 is 164058.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 850461 - 2² = 850457 is a prime.

It is an Ulam number.

It is a D-number.

850461 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850481) 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, 141741 + ... + 141746.

It is an arithmetic number, because the mean of its divisors is an integer number (283488).

2⁸⁵⁰⁴⁶¹ is an apocalyptic number.

It is an amenable number.

850461 is a deficient number, since it is larger than the sum of its proper divisors (283491).

850461 is a wasteful number, since it uses less digits than its factorization.

850461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283490.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 850461 is about 922.2044241924. The cubic root of 850461 is about 94.7439457474.

The spelling of 850461 in words is "eight hundred fifty thousand, four hundred sixty-one".