847406 has 12 divisors (see below), whose sum is σ = 1478808. Its totient is φ = 363132.

The previous prime is 847393. The next prime is 847423. The reversal of 847406 is 604748.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 847406.

It is an unprimeable number.

847406 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4226 + ... + 4421.

It is an arithmetic number, because the mean of its divisors is an integer number (123234).

2⁸⁴⁷⁴⁰⁶ is an apocalyptic number.

847406 is a deficient number, since it is larger than the sum of its proper divisors (631402).

847406 is a wasteful number, since it uses less digits than its factorization.

847406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8663 (or 8656 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 847406 is about 920.5465767684. The cubic root of 847406 is about 94.6303642023.

The spelling of 847406 in words is "eight hundred forty-seven thousand, four hundred six".